102221120122 has 96 divisors (see below), whose sum is σ = 181429632000. Its totient is φ = 42816695040.

The previous prime is 102221120051. The next prime is 102221120147. The reversal of 102221120122 is 221021122201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102221120096 and 102221120105.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142170879 + ... + 142171597.

It is an arithmetic number, because the mean of its divisors is an integer number (1889892000).

Almost surely, 2^102221120122 is an apocalyptic number.

102221120122 is a deficient number, since it is larger than the sum of its proper divisors (79208511878).

102221120122 is a wasteful number, since it uses less digits than its factorization.

102221120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204 (or 1187 counting only the distinct ones).

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

Adding to 102221120122 its reverse (221021122201), we get a palindrome (323242242323).

The spelling of 102221120122 in words is "one hundred two billion, two hundred twenty-one million, one hundred twenty thousand, one hundred twenty-two".