21013011130232 has 32 divisors (see below), whose sum is σ = 44142812086320. Its totient is φ = 9293223594240.

The previous prime is 21013011130217. The next prime is 21013011130247. The reversal of 21013011130232 is 23203111031012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (21013011130217) and next prime (21013011130247).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3226810493 + ... + 3226817004.

Almost surely, 2^{21013011130232} is an apocalyptic number.

21013011130232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21013011130232 is an abundant number, since it is smaller than the sum of its proper divisors (23129800956088).

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

21013011130232 is a wasteful number, since it uses less digits than its factorization.

21013011130232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6453627551 (or 6453627547 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 21013011130232 its reverse (23203111031012), we get a palindrome (44216122161244).

The spelling of 21013011130232 in words is "twenty-one trillion, thirteen billion, eleven million, one hundred thirty thousand, two hundred thirty-two".