121120210122 has 16 divisors (see below), whose sum is σ = 242513531712. Its totient is φ = 40327884800.

The previous prime is 121120210111. The next prime is 121120210151. The reversal of 121120210122 is 221012021121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11373879 + ... + 11384522.

It is an arithmetic number, because the mean of its divisors is an integer number (15157095732).

Almost surely, 2^121120210122 is an apocalyptic number.

121120210122 is an abundant number, since it is smaller than the sum of its proper divisors (121393321590).

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

121120210122 is a wasteful number, since it uses less digits than its factorization.

121120210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22759293.

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

Adding to 121120210122 its reverse (221012021121), we get a palindrome (342132231243).

The spelling of 121120210122 in words is "one hundred twenty-one billion, one hundred twenty million, two hundred ten thousand, one hundred twenty-two".