121051402122 has 48 divisors (see below), whose sum is σ = 281772185760. Its totient is φ = 34568628192.

The previous prime is 121051402117. The next prime is 121051402181. The reversal of 121051402122 is 221204150121.

It is a super-2 number, since 2×121051402122² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 484029 + ... + 690207.

It is an arithmetic number, because the mean of its divisors is an integer number (5870253870).

Almost surely, 2^121051402122 is an apocalyptic number.

121051402122 is an abundant number, since it is smaller than the sum of its proper divisors (160720783638).

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

121051402122 is a wasteful number, since it uses less digits than its factorization.

121051402122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208195 (or 208188 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 121051402122 its reverse (221204150121), we get a palindrome (342255552243).

The spelling of 121051402122 in words is "one hundred twenty-one billion, fifty-one million, four hundred two thousand, one hundred twenty-two".