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102222201021013 = 229446385157297
BaseRepresentation
bin10111001111100001110101…
…111110101110001001010101
3111101221100100221120210012201
4113033201311332232021111
5101344302031430133023
61001224121510444501
730350211302152153
oct2717416576561125
9441840327523181
10102222201021013
112a631212604907
12b56b420363731
1345066873a23b8
141b3581c0d03d3
15bc4079d0bbad
hex5cf875fae255

102222201021013 has 4 divisors (see below), whose sum is σ = 102668586178540. Its totient is φ = 101775815863488.

The previous prime is 102222201020999. The next prime is 102222201021029. The reversal of 102222201021013 is 310120102222201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54090700111044 + 48131500909969 = 7354638^2 + 6937687^2 .

It is a cyclic number.

It is not a de Polignac number, because 102222201021013 - 225 = 102222167466581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102222201021713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223192578420 + ... + 223192578877.

It is an arithmetic number, because the mean of its divisors is an integer number (25667146544635).

Almost surely, 2102222201021013 is an apocalyptic number.

It is an amenable number.

102222201021013 is a deficient number, since it is larger than the sum of its proper divisors (446385157527).

102222201021013 is an equidigital number, since it uses as much as digits as its factorization.

102222201021013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446385157526.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 102222201021013 its reverse (310120102222201), we get a palindrome (412342303243214).

The spelling of 102222201021013 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred one million, twenty-one thousand, thirteen".

Divisors: 1 229 446385157297 102222201021013