21132300202 has 8 divisors (see below), whose sum is σ = 34136792676. Its totient is φ = 9753369312.

The previous prime is 21132300199. The next prime is 21132300247. The reversal of 21132300202 is 20200323112.

It can be written as a sum of positive squares in 2 ways, for example, as 19466109441 + 1666190761 = 139521^2 + 40819^2 .

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

It is a super-2 number, since 2×21132300202² (a number of 21 digits) contains 22 as substring.

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, 406390363 + ... + 406390414.

Almost surely, 2^21132300202 is an apocalyptic number.

21132300202 is a deficient number, since it is larger than the sum of its proper divisors (13004492474).

21132300202 is a wasteful number, since it uses less digits than its factorization.

21132300202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812780792.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21132300202 its reverse (20200323112), we get a palindrome (41332623314).

The spelling of 21132300202 in words is "twenty-one billion, one hundred thirty-two million, three hundred thousand, two hundred two".