121002122112 has 64 divisors (see below), whose sum is σ = 321505007760. Its totient is φ = 40322355200.

The previous prime is 121002122093. The next prime is 121002122123. The reversal of 121002122112 is 211221200121.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 121002122091 and 121002122100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1335862 + ... + 1423562.

Almost surely, 2^121002122112 is an apocalyptic number.

121002122112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121002122112 is an abundant number, since it is smaller than the sum of its proper divisors (200502885648).

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

121002122112 is an equidigital number, since it uses as much as digits as its factorization.

121002122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91311 (or 91299 counting only the distinct ones).

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

Adding to 121002122112 its reverse (211221200121), we get a palindrome (332223322233).

The spelling of 121002122112 in words is "one hundred twenty-one billion, two million, one hundred twenty-two thousand, one hundred twelve".