121122120122022 has 16 divisors (see below), whose sum is σ = 243302075357040. Its totient is φ = 40197734188512.

The previous prime is 121122120122011. The next prime is 121122120122039. The reversal of 121122120122022 is 220221021221121.

It is a self number, because there is not a number n which added to its sum of digits gives 121122120122022.

It is a congruent number.

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, 44076461553 + ... + 44076464300.

It is an arithmetic number, because the mean of its divisors is an integer number (15206379709815).

Almost surely, 2^{121122120122022} is an apocalyptic number.

121122120122022 is an abundant number, since it is smaller than the sum of its proper divisors (122179955235018).

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

121122120122022 is a wasteful number, since it uses less digits than its factorization.

121122120122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88152926087.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 121122120122022 its reverse (220221021221121), we get a palindrome (341343141343143).

The spelling of 121122120122022 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred twenty million, one hundred twenty-two thousand, twenty-two".