21013322103120 has 80 divisors (see below), whose sum is σ = 66033645129792. Its totient is φ = 5526791562240.

The previous prime is 21013322103119. The next prime is 21013322103223. The reversal of 21013322103120 is 2130122331012.

It is a tau number, because it is divible by the number of its divisors (80).

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, 599677746 + ... + 599712785.

Almost surely, 2^{21013322103120} is an apocalyptic number.

21013322103120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21013322103120 is an abundant number, since it is smaller than the sum of its proper divisors (45020323026672).

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

21013322103120 is a wasteful number, since it uses less digits than its factorization.

21013322103120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199390620 (or 1199390614 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21013322103120 its reverse (2130122331012), we get a palindrome (23143444434132).

The spelling of 21013322103120 in words is "twenty-one trillion, thirteen billion, three hundred twenty-two million, one hundred three thousand, one hundred twenty".