102122100111194 has 32 divisors (see below), whose sum is σ = 167225705442000. Its totient is φ = 46576668377088.

The previous prime is 102122100111173. The next prime is 102122100111203. The reversal of 102122100111194 is 491111001221201.

It can be written as a sum of positive squares in 8 ways, for example, as 99898765633969 + 2223334477225 = 9994937^2 + 1491085^2 .

It is a super-2 number, since 2×102122100111194² (a number of 29 digits) contains 22 as substring.

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, 157610819 + ... + 158257430.

Almost surely, 2^{102122100111194} is an apocalyptic number.

102122100111194 is a deficient number, since it is larger than the sum of its proper divisors (65103605330806).

102122100111194 is a wasteful number, since it uses less digits than its factorization.

102122100111194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315868562.

The product of its (nonzero) digits is 288, while the sum is 26.

Adding to 102122100111194 its reverse (491111001221201), we get a palindrome (593233101332395).

The spelling of 102122100111194 in words is "one hundred two trillion, one hundred twenty-two billion, one hundred million, one hundred eleven thousand, one hundred ninety-four".