102101222020012 has 6 divisors (see below), whose sum is σ = 178677138535028. Its totient is φ = 51050611010004.

The previous prime is 102101222019989. The next prime is 102101222020067. The reversal of 102101222020012 is 210020222101201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12762652752498 + ... + 12762652752505.

Almost surely, 2^{102101222020012} is an apocalyptic number.

It is an amenable number.

102101222020012 is a deficient number, since it is larger than the sum of its proper divisors (76575916515016).

102101222020012 is a wasteful number, since it uses less digits than its factorization.

102101222020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25525305505007 (or 25525305505005 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102101222020012 its reverse (210020222101201), we get a palindrome (312121444121213).

The spelling of 102101222020012 in words is "one hundred two trillion, one hundred one billion, two hundred twenty-two million, twenty thousand, twelve".