21132102302 has 8 divisors (see below), whose sum is σ = 31800077712. Its totient is φ = 10532076400.

The previous prime is 21132102293. The next prime is 21132102319. The reversal of 21132102302 is 20320123112.

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

It is a congruent number.

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, 16986599 + ... + 16987842.

It is an arithmetic number, because the mean of its divisors is an integer number (3975009714).

Almost surely, 2^21132102302 is an apocalyptic number.

21132102302 is a deficient number, since it is larger than the sum of its proper divisors (10667975410).

21132102302 is a wasteful number, since it uses less digits than its factorization.

21132102302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33974754.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21132102302 its reverse (20320123112), we get a palindrome (41452225414).

The spelling of 21132102302 in words is "twenty-one billion, one hundred thirty-two million, one hundred two thousand, three hundred two".