102221122012012 has 6 divisors (see below), whose sum is σ = 178886963521028. Its totient is φ = 51110561006004.

The previous prime is 102221122012007. The next prime is 102221122012021. The reversal of 102221122012012 is 210210221122201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12777640251498 + ... + 12777640251505.

Almost surely, 2^{102221122012012} is an apocalyptic number.

It is an amenable number.

102221122012012 is a deficient number, since it is larger than the sum of its proper divisors (76665841509016).

102221122012012 is a wasteful number, since it uses less digits than its factorization.

102221122012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25555280503007 (or 25555280503005 counting only the distinct ones).

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

Adding to 102221122012012 its reverse (210210221122201), we get a palindrome (312431343134213).

The spelling of 102221122012012 in words is "one hundred two trillion, two hundred twenty-one billion, one hundred twenty-two million, twelve thousand, twelve".