121000220112 has 40 divisors (see below), whose sum is σ = 312651801504. Its totient is φ = 40324645504.

The previous prime is 121000220083. The next prime is 121000220147. The reversal of 121000220112 is 211022000121.

121000220112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48603 + ... + 494330.

Almost surely, 2^121000220112 is an apocalyptic number.

121000220112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121000220112 is an abundant number, since it is smaller than the sum of its proper divisors (191651581392).

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

121000220112 is a wasteful number, since it uses less digits than its factorization.

121000220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547587 (or 547581 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121000220112 its reverse (211022000121), we get a palindrome (332022220233).

The spelling of 121000220112 in words is "one hundred twenty-one billion, two hundred twenty thousand, one hundred twelve".