2121505032 has 16 divisors (see below), whose sum is σ = 5303762640. Its totient is φ = 707168336.

The previous prime is 2121505007. The next prime is 2121505033. The reversal of 2121505032 is 2305051212.

2121505032 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2121505033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44197998 + ... + 44198045.

It is an arithmetic number, because the mean of its divisors is an integer number (331485165).

Almost surely, 2^2121505032 is an apocalyptic number.

It is an amenable number.

2121505032 is an abundant number, since it is smaller than the sum of its proper divisors (3182257608).

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

2121505032 is a wasteful number, since it uses less digits than its factorization.

2121505032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88396052 (or 88396048 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2121505032 is about 46059.7984363805. The cubic root of 2121505032 is about 1284.9355813619.

Adding to 2121505032 its reverse (2305051212), we get a palindrome (4426556244).

The spelling of 2121505032 in words is "two billion, one hundred twenty-one million, five hundred five thousand, thirty-two".