121021202202 has 64 divisors (see below), whose sum is σ = 256326819840. Its totient is φ = 37985976000.

The previous prime is 121021202179. The next prime is 121021202213. The reversal of 121021202202 is 202202120121.

It is a super-2 number, since 2×121021202202² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17817427 + ... + 17824217.

It is an arithmetic number, because the mean of its divisors is an integer number (4005106560).

Almost surely, 2^121021202202 is an apocalyptic number.

121021202202 is an abundant number, since it is smaller than the sum of its proper divisors (135305617638).

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

121021202202 is a wasteful number, since it uses less digits than its factorization.

121021202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7739.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 121021202202 its reverse (202202120121), we get a palindrome (323223322323).

The spelling of 121021202202 in words is "one hundred twenty-one billion, twenty-one million, two hundred two thousand, two hundred two".