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10020210101 = 1119101479991
BaseRepresentation
bin10010101010100000…
…00100010110110101
3221212022210102011122
421111100010112311
5131010133210401
64334143513325
7503211244346
oct112520042665
927768712148
1010020210101
114282169180
121b378b8845
13c38c45405
146b0b040cd
153d9a5121b
hex2554045b5

10020210101 has 32 divisors (see below), whose sum is σ = 11656396800. Its totient is φ = 8517960000.

The previous prime is 10020210041. The next prime is 10020210121. The reversal of 10020210101 is 10101202001.

It is not a de Polignac number, because 10020210101 - 26 = 10020210037 is a prime.

It is a super-2 number, since 2×100202101012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020210121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10110716 + ... + 10111706.

It is an arithmetic number, because the mean of its divisors is an integer number (364262400).

Almost surely, 210020210101 is an apocalyptic number.

10020210101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10020210101 is a deficient number, since it is larger than the sum of its proper divisors (1636186699).

10020210101 is a wasteful number, since it uses less digits than its factorization.

10020210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10020210101 its reverse (10101202001), we get a palindrome (20121412102).

The spelling of 10020210101 in words is "ten billion, twenty million, two hundred ten thousand, one hundred one".

Divisors: 1 11 19 101 209 479 991 1111 1919 5269 9101 10901 18829 21109 48379 100091 100111 207119 474689 532169 919201 1101001 1901729 5221579 9019091 10111211 20919019 47943589 99210001 527379479 910928191 10020210101