2121121032 has 16 divisors (see below), whose sum is σ = 5302802640. Its totient is φ = 707040336.

The previous prime is 2121120997. The next prime is 2121121049. The reversal of 2121121032 is 2301211212.

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, 44189998 + ... + 44190045.

It is an arithmetic number, because the mean of its divisors is an integer number (331425165).

Almost surely, 2^2121121032 is an apocalyptic number.

It is an amenable number.

2121121032 is an abundant number, since it is smaller than the sum of its proper divisors (3181681608).

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

2121121032 is a wasteful number, since it uses less digits than its factorization.

2121121032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88380052 (or 88380048 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2121121032 is about 46055.6297535926. The cubic root of 2121121032 is about 1284.8580507050.

Adding to 2121121032 its reverse (2301211212), we get a palindrome (4422332244).

The spelling of 2121121032 in words is "two billion, one hundred twenty-one million, one hundred twenty-one thousand, thirty-two".