102121120122 has 32 divisors (see below), whose sum is σ = 233507809152. Its totient is φ = 29166449664.

The previous prime is 102121120109. The next prime is 102121120187. The reversal of 102121120122 is 221021121201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345963 + ... + 569150.

It is an arithmetic number, because the mean of its divisors is an integer number (7297119036).

Almost surely, 2^102121120122 is an apocalyptic number.

102121120122 is an abundant number, since it is smaller than the sum of its proper divisors (131386689030).

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

102121120122 is a wasteful number, since it uses less digits than its factorization.

102121120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917782.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102121120122 its reverse (221021121201), we get a palindrome (323142241323).

The spelling of 102121120122 in words is "one hundred two billion, one hundred twenty-one million, one hundred twenty thousand, one hundred twenty-two".