21110301232320 has 112 divisors (see below), whose sum is σ = 67076025603840. Its totient is φ = 5625145383936.

The previous prime is 21110301232289. The next prime is 21110301232367. The reversal of 21110301232320 is 2323210301112.

It is a super-2 number, since 2×21110301232320² (a number of 27 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, 7069582 + ... + 9602061.

Almost surely, 2^{21110301232320} is an apocalyptic number.

21110301232320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21110301232320 is an abundant number, since it is smaller than the sum of its proper divisors (45965724371520).

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

21110301232320 is a wasteful number, since it uses less digits than its factorization.

21110301232320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16672982 (or 16672972 counting only the distinct ones).

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

Adding to 21110301232320 its reverse (2323210301112), we get a palindrome (23433511533432).

The spelling of 21110301232320 in words is "twenty-one trillion, one hundred ten billion, three hundred one million, two hundred thirty-two thousand, three hundred twenty".