121102212220000 has 120 divisors (see below), whose sum is σ = 325014117746472. Its totient is φ = 44037168000000.

The previous prime is 121102212219953. The next prime is 121102212220057. The reversal of 121102212220000 is 22212201121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 275012301 + ... + 275452300.

Almost surely, 2^{121102212220000} is an apocalyptic number.

121102212220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121102212220000 is an abundant number, since it is smaller than the sum of its proper divisors (203911905526472).

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

121102212220000 is an equidigital number, since it uses as much as digits as its factorization.

121102212220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550464642 (or 550464619 counting only the distinct ones).

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

Adding to 121102212220000 its reverse (22212201121), we get a palindrome (121124424421121).

The spelling of 121102212220000 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred twelve million, two hundred twenty thousand".