21030322113200 has 60 divisors (see below), whose sum is σ = 50670955404120. Its totient is φ = 8387886343680.

The previous prime is 21030322113197. The next prime is 21030322113223. The reversal of 21030322113200 is 231122303012.

It is a super-2 number, since 2×21030322113200² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75618845 + ... + 75896444.

It is an arithmetic number, because the mean of its divisors is an integer number (844515923402).

Almost surely, 2^{21030322113200} is an apocalyptic number.

21030322113200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21030322113200 is an abundant number, since it is smaller than the sum of its proper divisors (29640633290920).

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

21030322113200 is a wasteful number, since it uses less digits than its factorization.

21030322113200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151515654 (or 151515643 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21030322113200 its reverse (231122303012), we get a palindrome (21261444416212).

The spelling of 21030322113200 in words is "twenty-one trillion, thirty billion, three hundred twenty-two million, one hundred thirteen thousand, two hundred".