102001222211212 has 6 divisors (see below), whose sum is σ = 178502138869628. Its totient is φ = 51000611105604.

The previous prime is 102001222211177. The next prime is 102001222211227. The reversal of 102001222211212 is 212112222100201.

It is a self number, because there is not a number n which added to its sum of digits gives 102001222211212.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12750152776398 + ... + 12750152776405.

Almost surely, 2^{102001222211212} is an apocalyptic number.

It is an amenable number.

102001222211212 is a deficient number, since it is larger than the sum of its proper divisors (76500916658416).

102001222211212 is a wasteful number, since it uses less digits than its factorization.

102001222211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25500305552807 (or 25500305552805 counting only the distinct ones).

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

Adding to 102001222211212 its reverse (212112222100201), we get a palindrome (314113444311413).

The spelling of 102001222211212 in words is "one hundred two trillion, one billion, two hundred twenty-two million, two hundred eleven thousand, two hundred twelve".