121010022122200 has 48 divisors (see below), whose sum is σ = 288210455147160. Its totient is φ = 47223423264000.

The previous prime is 121010022122149. The next prime is 121010022122201. The reversal of 121010022122200 is 2221220010121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010022122201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7378651686 + ... + 7378668085.

Almost surely, 2^{121010022122200} is an apocalyptic number.

121010022122200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121010022122200 is an abundant number, since it is smaller than the sum of its proper divisors (167200433024960).

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

121010022122200 is a wasteful number, since it uses less digits than its factorization.

121010022122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14757319828 (or 14757319819 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121010022122200 its reverse (2221220010121), we get a palindrome (123231242132321).

The spelling of 121010022122200 in words is "one hundred twenty-one trillion, ten billion, twenty-two million, one hundred twenty-two thousand, two hundred".