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102110101110020 = 225199142903179533
BaseRepresentation
bin10111001101111001011100…
…010011011111110100000100
3111101112122000111211021111102
4113031321130103133310010
5101340432441341010040
61001100422144355232
730336132331505213
oct2715713423376404
9441478014737442
10102110101110020
112a598718087573
12b551756315b18
1344c8c30b19013
141b3022608507a
15bc11b86b8515
hex5cde5c4dfd04

102110101110020 has 48 divisors (see below), whose sum is σ = 215511464582400. Its totient is φ = 40638283272576.

The previous prime is 102110101109987. The next prime is 102110101110037. The reversal of 102110101110020 is 20011101011201.

It is a super-2 number, since 2×1021101011100202 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102110101109983 and 102110101110010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 568664174 + ... + 568843706.

It is an arithmetic number, because the mean of its divisors is an integer number (4489822178800).

Almost surely, 2102110101110020 is an apocalyptic number.

102110101110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102110101110020 is an abundant number, since it is smaller than the sum of its proper divisors (113401363472380).

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

102110101110020 is a wasteful number, since it uses less digits than its factorization.

102110101110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322644 (or 322642 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 102110101110020 its reverse (20011101011201), we get a palindrome (122121202121221).

The spelling of 102110101110020 in words is "one hundred two trillion, one hundred ten billion, one hundred one million, one hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 199 398 796 995 1990 3980 142903 179533 285806 359066 571612 714515 718132 897665 1429030 1795330 2858060 3590660 28437697 35727067 56875394 71454134 113750788 142188485 142908268 178635335 284376970 357270670 568753940 714541340 25655804299 51311608598 102623217196 128279021495 256558042990 513116085980 5105505055501 10211010111002 20422020222004 25527525277505 51055050555010 102110101110020