102111210012222 has 72 divisors (see below), whose sum is σ = 231274456172136. Its totient is φ = 32556243045312.

The previous prime is 102111210012209. The next prime is 102111210012233. The reversal of 102111210012222 is 222210012111201.

102111210012222 is a `hidden beast` number, since 10 + 211 + 1 + 210 + 0 + 12 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102111210012195 and 102111210012204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 29900593 + ... + 33140124.

It is an arithmetic number, because the mean of its divisors is an integer number (3212145224613).

Almost surely, 2^{102111210012222} is an apocalyptic number.

102111210012222 is an abundant number, since it is smaller than the sum of its proper divisors (129163246159914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102111210012222 is a wasteful number, since it uses less digits than its factorization.

102111210012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63040890 (or 63040858 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 102111210012222 its reverse (222210012111201), we get a palindrome (324321222123423).

The spelling of 102111210012222 in words is "one hundred two trillion, one hundred eleven billion, two hundred ten million, twelve thousand, two hundred twenty-two".