121025513344 has 32 divisors (see below), whose sum is σ = 241133324400. Its totient is φ = 60505777152.

The previous prime is 121025513281. The next prime is 121025513351. The reversal of 121025513344 is 443315520121.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1165837 + ... + 1265395.

Almost surely, 2^121025513344 is an apocalyptic number.

It is an amenable number.

121025513344 is a deficient number, since it is larger than the sum of its proper divisors (120107811056).

121025513344 is an frugal number, since it uses more digits than its factorization.

121025513344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109070 (or 109058 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 121025513344 in words is "one hundred twenty-one billion, twenty-five million, five hundred thirteen thousand, three hundred forty-four".