121100222202 has 16 divisors (see below), whose sum is σ = 242979227712. Its totient is φ = 40236943520.

The previous prime is 121100222183. The next prime is 121100222213. The reversal of 121100222202 is 202222001121.

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, 32447283 + ... + 32451014.

It is an arithmetic number, because the mean of its divisors is an integer number (15186201732).

Almost surely, 2^121100222202 is an apocalyptic number.

121100222202 is an abundant number, since it is smaller than the sum of its proper divisors (121879005510).

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

121100222202 is a wasteful number, since it uses less digits than its factorization.

121100222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64898613.

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

Adding to 121100222202 its reverse (202222001121), we get a palindrome (323322223323).

The spelling of 121100222202 in words is "one hundred twenty-one billion, one hundred million, two hundred twenty-two thousand, two hundred two".