21132331130 has 8 divisors (see below), whose sum is σ = 38038196052. Its totient is φ = 8452932448.

The previous prime is 21132331127. The next prime is 21132331153. The reversal of 21132331130 is 3113323112.

It can be written as a sum of positive squares in 2 ways, for example, as 20900774041 + 231557089 = 144571^2 + 15217^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1056616547 + ... + 1056616566.

Almost surely, 2^21132331130 is an apocalyptic number.

21132331130 is a deficient number, since it is larger than the sum of its proper divisors (16905864922).

21132331130 is a wasteful number, since it uses less digits than its factorization.

21132331130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113233120.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 21132331130 its reverse (3113323112), we get a palindrome (24245654242).

The spelling of 21132331130 in words is "twenty-one billion, one hundred thirty-two million, three hundred thirty-one thousand, one hundred thirty".