102112211020122 has 32 divisors (see below), whose sum is σ = 226918651276800. Its totient is φ = 34037009655264.

The previous prime is 102112211020117. The next prime is 102112211020129. The reversal of 102112211020122 is 221020112211201.

102112211020122 is a `hidden beast` number, since 1 + 0 + 211 + 221 + 10 + 201 + 22 = 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 = 102112211020095 and 102112211020104.

It is not an unprimeable number, because it can be changed into a prime (102112211020129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6218218 + ... + 15584949.

It is an arithmetic number, because the mean of its divisors is an integer number (7091207852400).

Almost surely, 2^{102112211020122} is an apocalyptic number.

102112211020122 is an abundant number, since it is smaller than the sum of its proper divisors (124806440256678).

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

102112211020122 is a wasteful number, since it uses less digits than its factorization.

102112211020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21889907 (or 21889901 counting only the distinct ones).

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

Adding to 102112211020122 its reverse (221020112211201), we get a palindrome (323132323231323).

The spelling of 102112211020122 in words is "one hundred two trillion, one hundred twelve billion, two hundred eleven million, twenty thousand, one hundred twenty-two".