121000122020112 has 80 divisors (see below), whose sum is σ = 313498085880000. Its totient is φ = 40215395953152.

The previous prime is 121000122020111. The next prime is 121000122020119. The reversal of 121000122020112 is 211020221000121.

It is a junction number, because it is equal to n+sod(n) for n = 121000122020091 and 121000122020100.

It is not an unprimeable number, because it can be changed into a prime (121000122020111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291092839 + ... + 291508217.

It is an arithmetic number, because the mean of its divisors is an integer number (3918726073500).

Almost surely, 2^{121000122020112} is an apocalyptic number.

121000122020112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121000122020112 is an abundant number, since it is smaller than the sum of its proper divisors (192497963859888).

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

121000122020112 is a wasteful number, since it uses less digits than its factorization.

121000122020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433128 (or 433122 counting only the distinct ones).

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

Adding to 121000122020112 its reverse (211020221000121), we get a palindrome (332020343020233).

The spelling of 121000122020112 in words is "one hundred twenty-one trillion, one hundred twenty-two million, twenty thousand, one hundred twelve".