21132301302 has 32 divisors (see below), whose sum is σ = 53669337600. Its totient is φ = 6037800264.

The previous prime is 21132301283. The next prime is 21132301321. The reversal of 21132301302 is 20310323112.

21132301302 is a `hidden beast` number, since 211 + 323 + 0 + 130 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (21132301283) and next prime (21132301321).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27952402 + ... + 27953157.

It is an arithmetic number, because the mean of its divisors is an integer number (1677166800).

Almost surely, 2^21132301302 is an apocalyptic number.

21132301302 is an abundant number, since it is smaller than the sum of its proper divisors (32537036298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21132301302 is a wasteful number, since it uses less digits than its factorization.

21132301302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55905577 (or 55905571 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21132301302 its reverse (20310323112), we get a palindrome (41442624414).

The spelling of 21132301302 in words is "twenty-one billion, one hundred thirty-two million, three hundred one thousand, three hundred two".