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101020220211020 = 2251113924113707359
BaseRepresentation
bin10110111110000010011010…
…010101110011111101001100
3111020200102211211122002202012
4112332002122111303331030
5101220103402333223040
6554504014250320352
730164320141640645
oct2676023225637514
9436612754562665
10101020220211020
112a208486798970
12b3b648b4290b8
13444a2205cbb96
141ad35948a46cc
15ba2b7b29e865
hex5be09a573f4c

101020220211020 has 96 divisors (see below), whose sum is σ = 234060299827200. Its totient is φ = 36319015756800.

The previous prime is 101020220211017. The next prime is 101020220211041. The reversal of 101020220211020 is 20112022020101.

It is a junction number, because it is equal to n+sod(n) for n = 101020220210986 and 101020220211004.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 516101 + ... + 14223459.

It is an arithmetic number, because the mean of its divisors is an integer number (2438128123200).

Almost surely, 2101020220211020 is an apocalyptic number.

101020220211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101020220211020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117030149913600).

101020220211020 is an abundant number, since it is smaller than the sum of its proper divisors (133040079616180).

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

101020220211020 is a wasteful number, since it uses less digits than its factorization.

101020220211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13707759 (or 13707757 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 101020220211020 its reverse (20112022020101), we get a palindrome (121132242231121).

The spelling of 101020220211020 in words is "one hundred one trillion, twenty billion, two hundred twenty million, two hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 139 220 241 278 482 556 695 964 1205 1390 1529 2410 2651 2780 3058 4820 5302 6116 7645 10604 13255 15290 26510 30580 33499 53020 66998 133996 167495 334990 368489 669980 736978 1473956 1842445 3684890 7369780 13707359 27414718 54829436 68536795 137073590 150780949 274147180 301561898 603123796 753904745 1507809490 1905322901 3015618980 3303473519 3810645802 6606947038 7621291604 9526614505 13213894076 16517367595 19053229010 20958551911 33034735190 36338208709 38106458020 41917103822 66069470380 72676417418 83834207644 104792759555 145352834836 181691043545 209585519110 363382087090 419171038220 459182819141 726764174180 918365638282 1836731276564 2295914095705 4591828191410 5051011010551 9183656382820 10102022021102 20204044042204 25255055052755 50510110105510 101020220211020