21132001330 has 32 divisors (see below), whose sum is σ = 41501896128. Its totient is φ = 7683192000.

The previous prime is 21132001321. The next prime is 21132001357. The reversal of 21132001330 is 3310023112.

It is a super-2 number, since 2×21132001330² (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 15 ways as a sum of consecutive naturals, for example, 1079409 + ... + 1098811.

It is an arithmetic number, because the mean of its divisors is an integer number (1296934254).

Almost surely, 2^21132001330 is an apocalyptic number.

21132001330 is a deficient number, since it is larger than the sum of its proper divisors (20369894798).

21132001330 is a wasteful number, since it uses less digits than its factorization.

21132001330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29322.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21132001330 its reverse (3310023112), we get a palindrome (24442024442).

The spelling of 21132001330 in words is "twenty-one billion, one hundred thirty-two million, one thousand, three hundred thirty".