21113302303020 has 48 divisors (see below), whose sum is σ = 59117938615008. Its totient is φ = 5630148026880.

The previous prime is 21113302303007. The next prime is 21113302303033. The reversal of 21113302303020 is 2030320331112.

It is an interprime number because it is at equal distance from previous prime (21113302303007) and next prime (21113302303033).

It is a super-2 number, since 2×21113302303020² (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, 3219030 + ... + 7251810.

It is an arithmetic number, because the mean of its divisors is an integer number (1231623721146).

Almost surely, 2^{21113302303020} is an apocalyptic number.

21113302303020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21113302303020 is an abundant number, since it is smaller than the sum of its proper divisors (38004636311988).

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

21113302303020 is a wasteful number, since it uses less digits than its factorization.

21113302303020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4120050 (or 4120048 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21113302303020 its reverse (2030320331112), we get a palindrome (23143622634132).

The spelling of 21113302303020 in words is "twenty-one trillion, one hundred thirteen billion, three hundred two million, three hundred three thousand, twenty".