2132113021 has 8 divisors (see below), whose sum is σ = 2259282240. Its totient is φ = 2005138368.

The previous prime is 2132113019. The next prime is 2132113079. The reversal of 2132113021 is 1203112312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2132113021 - 2¹ = 2132113019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2132112986 and 2132113004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132113421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25761 + ... + 70198.

It is an arithmetic number, because the mean of its divisors is an integer number (282410280).

Almost surely, 2^2132113021 is an apocalyptic number.

It is an amenable number.

2132113021 is a deficient number, since it is larger than the sum of its proper divisors (127169219).

2132113021 is a wasteful number, since it uses less digits than its factorization.

2132113021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97283.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2132113021 is about 46174.8093769752. The cubic root of 2132113021 is about 1287.0736746144.

Adding to 2132113021 its reverse (1203112312), we get a palindrome (3335225333).

The spelling of 2132113021 in words is "two billion, one hundred thirty-two million, one hundred thirteen thousand, twenty-one".