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10021211021010 = 23572511240115331
BaseRepresentation
bin1001000111010011111010…
…1110010001111011010010
31022111000111102111202121010
42101310332232101323102
52303141420010133020
633151403014511350
72053002644140560
oct221647656217322
938430442452533
1010021211021010
113213a76407052
12115a217365556
13578cc46b5b27
1426905a1b2a30
15125a1c174de0
hex91d3eb91ed2

10021211021010 has 128 divisors (see below), whose sum is σ = 27600284694528. Its totient is φ = 2281104000000.

The previous prime is 10021211020993. The next prime is 10021211021021. The reversal of 10021211021010 is 1012011212001.

It is a super-2 number, since 2×100212110210102 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 653649045 + ... + 653664375.

It is an arithmetic number, because the mean of its divisors is an integer number (215627224176).

Almost surely, 210021211021010 is an apocalyptic number.

10021211021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10021211021010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13800142347264).

10021211021010 is an abundant number, since it is smaller than the sum of its proper divisors (17579073673518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10021211021010 is a wasteful number, since it uses less digits than its factorization.

10021211021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28000.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10021211021010 its reverse (1012011212001), we get a palindrome (11033222233011).

The spelling of 10021211021010 in words is "ten trillion, twenty-one billion, two hundred eleven million, twenty-one thousand, ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 251 502 753 1255 1506 1757 2510 3514 3765 5271 7530 8785 10542 12401 15331 17570 24802 26355 30662 37203 45993 52710 62005 74406 76655 86807 91986 107317 124010 153310 173614 186015 214634 229965 260421 321951 372030 434035 459930 520842 536585 643902 868070 1073170 1302105 1609755 2604210 3112651 3219510 3848081 6225302 7696162 9337953 11544243 15563255 18675906 19240405 21788557 23088486 26936567 31126510 38480810 43577114 46689765 53873134 57721215 65365671 80809701 93379530 108942785 115442430 130731342 134682835 161619402 190119731 217885570 269365670 326828355 380239462 404048505 570359193 653656710 808097010 950598655 1140718386 1330838117 1901197310 2661676234 2851795965 3992514351 5703591930 6654190585 7985028702 13308381170 19962571755 39925143510 47720052481 95440104962 143160157443 238600262405 286320314886 334040367367 477200524810 668080734734 715800787215 1002121102101 1431601574430 1670201836835 2004242204202 3340403673670 5010605510505 10021211021010