121021022202 has 64 divisors (see below), whose sum is σ = 266260414464. Its totient is φ = 36547125120.

The previous prime is 121021022197. The next prime is 121021022219. The reversal of 121021022202 is 202220120121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99883 + ... + 502014.

It is an arithmetic number, because the mean of its divisors is an integer number (4160318976).

Almost surely, 2^121021022202 is an apocalyptic number.

121021022202 is an abundant number, since it is smaller than the sum of its proper divisors (145239392262).

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

121021022202 is a wasteful number, since it uses less digits than its factorization.

121021022202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602003.

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

Adding to 121021022202 its reverse (202220120121), we get a palindrome (323241142323).

The spelling of 121021022202 in words is "one hundred twenty-one billion, twenty-one million, twenty-two thousand, two hundred two".