21132301000 has 32 divisors (see below), whose sum is σ = 49449586680. Its totient is φ = 8452920000.

The previous prime is 21132300997. The next prime is 21132301037. The reversal of 21132301000 is 10323112.

It can be written as a sum of positive squares in 4 ways, for example, as 7137884196 + 13994416804 = 84486^2 + 118298^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10565151 + ... + 10567150.

Almost surely, 2^21132301000 is an apocalyptic number.

21132301000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21132301000 is an abundant number, since it is smaller than the sum of its proper divisors (28317285680).

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

21132301000 is a wasteful number, since it uses less digits than its factorization.

21132301000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21132322 (or 21132308 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 21132301000 its reverse (10323112), we get a palindrome (21142624112).

The spelling of 21132301000 in words is "twenty-one billion, one hundred thirty-two million, three hundred one thousand".