21301111200330 has 48 divisors (see below), whose sum is σ = 59643111364200. Its totient is φ = 5243350449024.

The previous prime is 21301111200269. The next prime is 21301111200337. The reversal of 21301111200330 is 3300211110312.

21301111200330 is a `hidden beast` number, since 2 + 1 + 301 + 1 + 11 + 20 + 0 + 330 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 19525360400001 + 1775750800329 = 4418751^2 + 1332573^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (21301111200337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9103037805 + ... + 9103040144.

Almost surely, 2^{21301111200330} is an apocalyptic number.

21301111200330 is an abundant number, since it is smaller than the sum of its proper divisors (38342000163870).

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

21301111200330 is a wasteful number, since it uses less digits than its factorization.

21301111200330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18206077975 (or 18206077972 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 21301111200330 its reverse (3300211110312), we get a palindrome (24601322310642).

The spelling of 21301111200330 in words is "twenty-one trillion, three hundred one billion, one hundred eleven million, two hundred thousand, three hundred thirty".