2110132421 has 6 divisors (see below), whose sum is σ = 2160348390. Its totient is φ = 2061057768.

The previous prime is 2110132399. The next prime is 2110132477. The reversal of 2110132421 is 1242310112.

It can be written as a sum of positive squares in only one way, i.e., 1422119521 + 688012900 = 37711^2 + 26230^2 .

It is not a de Polignac number, because 2110132421 - 2²⁶ = 2043023557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2110132421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110132621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 568766 + ... + 572463.

It is an arithmetic number, because the mean of its divisors is an integer number (360058065).

Almost surely, 2^2110132421 is an apocalyptic number.

It is an amenable number.

2110132421 is a deficient number, since it is larger than the sum of its proper divisors (50215969).

2110132421 is an equidigital number, since it uses as much as digits as its factorization.

2110132421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141315 (or 1141272 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2110132421 is about 45936.1776925334. The cubic root of 2110132421 is about 1282.6354434685.

Adding to 2110132421 its reverse (1242310112), we get a palindrome (3352442533).

The spelling of 2110132421 in words is "two billion, one hundred ten million, one hundred thirty-two thousand, four hundred twenty-one".