121021110022200 has 48 divisors (see below), whose sum is σ = 375165441070680. Its totient is φ = 32272296005760.

The previous prime is 121021110022181. The next prime is 121021110022223. The reversal of 121021110022200 is 2220011120121.

It is a super-2 number, since 2×121021110022200² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 121021110022200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100850924419 + ... + 100850925618.

Almost surely, 2^{121021110022200} is an apocalyptic number.

121021110022200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121021110022200 is an abundant number, since it is smaller than the sum of its proper divisors (254144331048480).

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

121021110022200 is a wasteful number, since it uses less digits than its factorization.

121021110022200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201701850056 (or 201701850047 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121021110022200 its reverse (2220011120121), we get a palindrome (123241121142321).

The spelling of 121021110022200 in words is "one hundred twenty-one trillion, twenty-one billion, one hundred ten million, twenty-two thousand, two hundred".