121121010012112 has 40 divisors (see below), whose sum is σ = 258540481805472. Its totient is φ = 54509905488000.

The previous prime is 121121010012097. The next prime is 121121010012133. The reversal of 121121010012112 is 211210010121121.

121121010012112 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 (16).

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, 3406851318 + ... + 3406886869.

Almost surely, 2^{121121010012112} is an apocalyptic number.

It is an amenable number.

121121010012112 is an abundant number, since it is smaller than the sum of its proper divisors (137419471793360).

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

121121010012112 is a wasteful number, since it uses less digits than its factorization.

121121010012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6813738307 (or 6813738301 counting only the distinct ones).

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

Adding to 121121010012112 its reverse (211210010121121), we get a palindrome (332331020133233).

The spelling of 121121010012112 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, ten million, twelve thousand, one hundred twelve".