121222202002 has 16 divisors (see below), whose sum is σ = 198418727232. Its totient is φ = 55085688720.

The previous prime is 121222201979. The next prime is 121222202041. The reversal of 121222202002 is 200202222121.

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, 684453 + ... + 843160.

It is an arithmetic number, because the mean of its divisors is an integer number (12401170452).

Almost surely, 2^121222202002 is an apocalyptic number.

121222202002 is a deficient number, since it is larger than the sum of its proper divisors (77196525230).

121222202002 is a wasteful number, since it uses less digits than its factorization.

121222202002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531233.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 121222202002 its reverse (200202222121), we get a palindrome (321424424123).

The spelling of 121222202002 in words is "one hundred twenty-one billion, two hundred twenty-two million, two hundred two thousand, two".