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102211210001020 = 22529317442186007
BaseRepresentation
bin10111001111010111100110…
…110111010011101001111100
3111101220021222222001010020011
4113033113212313103221330
5101344112024230013040
61001215103123033004
730346342032060121
oct2717274667235174
9441807888033204
10102211210001020
112a62759244a90a
12b56927350b764
1345056252a0283
141b350984ba748
15bc3b34e433ea
hex5cf5e6dd3a7c

102211210001020 has 24 divisors (see below), whose sum is σ = 215376112826784. Its totient is φ = 40744946510016.

The previous prime is 102211210001011. The next prime is 102211210001023. The reversal of 102211210001020 is 20100012112201.

102211210001020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1022112100010202 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102211210001023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8721087144 + ... + 8721098863.

It is an arithmetic number, because the mean of its divisors is an integer number (8974004701116).

Almost surely, 2102211210001020 is an apocalyptic number.

102211210001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102211210001020 is an abundant number, since it is smaller than the sum of its proper divisors (113164902825764).

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

102211210001020 is a wasteful number, since it uses less digits than its factorization.

102211210001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17442186309 (or 17442186307 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102211210001020 its reverse (20100012112201), we get a palindrome (122311222113221).

The spelling of 102211210001020 in words is "one hundred two trillion, two hundred eleven billion, two hundred ten million, one thousand, twenty".

Divisors: 1 2 4 5 10 20 293 586 1172 1465 2930 5860 17442186007 34884372014 69768744028 87210930035 174421860070 348843720140 5110560500051 10221121000102 20442242000204 25552802500255 51105605000510 102211210001020