121112210000120 has 32 divisors (see below), whose sum is σ = 272581026422400. Its totient is φ = 48430918858368.

The previous prime is 121112210000087. The next prime is 121112210000123. The reversal of 121112210000120 is 21000012211121.

It is a super-2 number, since 2×121112210000120² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121112210000095 and 121112210000104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112210000123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436270184 + ... + 436547703.

It is an arithmetic number, because the mean of its divisors is an integer number (8518157075700).

Almost surely, 2^{121112210000120} is an apocalyptic number.

121112210000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121112210000120 is an abundant number, since it is smaller than the sum of its proper divisors (151468816422280).

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

121112210000120 is a wasteful number, since it uses less digits than its factorization.

121112210000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872821367 (or 872821363 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121112210000120 its reverse (21000012211121), we get a palindrome (142112222211241).

The spelling of 121112210000120 in words is "one hundred twenty-one trillion, one hundred twelve billion, two hundred ten million, one hundred twenty", and thus it is an aban number.