102202122211012 has 6 divisors (see below), whose sum is σ = 178853713869278. Its totient is φ = 51101061105504.

The previous prime is 102202122210983. The next prime is 102202122211037. The reversal of 102202122211012 is 210112221202201.

It can be written as a sum of positive squares in only one way, i.e., 92843515465156 + 9358606745856 = 9635534^2 + 3059184^2 .

It is a super-3 number, since 3×102202122211012³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12775265276373 + ... + 12775265276380.

Almost surely, 2^{102202122211012} is an apocalyptic number.

It is an amenable number.

102202122211012 is a deficient number, since it is larger than the sum of its proper divisors (76651591658266).

102202122211012 is a wasteful number, since it uses less digits than its factorization.

102202122211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25550530552757 (or 25550530552755 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102202122211012 its reverse (210112221202201), we get a palindrome (312314343413213).

The spelling of 102202122211012 in words is "one hundred two trillion, two hundred two billion, one hundred twenty-two million, two hundred eleven thousand, twelve".