21330113201232 has 40 divisors (see below), whose sum is σ = 60112137204960. Its totient is φ = 6463670666880.

The previous prime is 21330113201231. The next prime is 21330113201261. The reversal of 21330113201232 is 23210231103312.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21330113201231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20198970307 + ... + 20198971362.

It is an arithmetic number, because the mean of its divisors is an integer number (1502803430124).

Almost surely, 2^{21330113201232} is an apocalyptic number.

21330113201232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21330113201232 is an abundant number, since it is smaller than the sum of its proper divisors (38782024003728).

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

21330113201232 is a wasteful number, since it uses less digits than its factorization.

21330113201232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40397941691 (or 40397941685 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21330113201232 its reverse (23210231103312), we get a palindrome (44540344304544).

The spelling of 21330113201232 in words is "twenty-one trillion, three hundred thirty billion, one hundred thirteen million, two hundred one thousand, two hundred thirty-two".