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111202020000221 = 31163715227143909
BaseRepresentation
bin11001010010001100111100…
…111001101000000111011101
3112120201210211222020112110112
4121102030330321220013131
5104033413214110001341
61032301300332015405
732265036502114223
oct3122147471500735
9476653758215415
10111202020000221
113248356a294357
121057b843601565
134a083c8216a67
141d662c684cb13
15ccc946911aeb
hex65233ce681dd

111202020000221 has 16 divisors (see below), whose sum is σ = 114867644935680. Its totient is φ = 107541308648640.

The previous prime is 111202020000187. The next prime is 111202020000289. The reversal of 111202020000221 is 122000020202111.

It is a cyclic number.

It is not a de Polignac number, because 111202020000221 - 210 = 111202019999197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111202020000196 and 111202020000205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111202020009221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 772652615 + ... + 772796523.

It is an arithmetic number, because the mean of its divisors is an integer number (7179227808480).

Almost surely, 2111202020000221 is an apocalyptic number.

It is an amenable number.

111202020000221 is a deficient number, since it is larger than the sum of its proper divisors (3665624935459).

111202020000221 is a wasteful number, since it uses less digits than its factorization.

111202020000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160804.

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

Adding to 111202020000221 its reverse (122000020202111), we get a palindrome (233202040202332).

The spelling of 111202020000221 in words is "one hundred eleven trillion, two hundred two billion, twenty million, two hundred twenty-one", and thus it is an aban number.

Divisors: 1 31 1637 15227 50747 143909 472037 4461179 24926599 235579033 772724569 2191302343 7302950023 67930372633 3587161935491 111202020000221