21112020300303 has 32 divisors (see below), whose sum is σ = 32307718840320. Its totient is φ = 13611497631840.

The previous prime is 21112020300299. The next prime is 21112020300307. The reversal of 21112020300303 is 30300302021112.

21112020300303 is a `hidden beast` number, since 21 + 1 + 1 + 20 + 20 + 300 + 303 = 666.

It is an interprime number because it is at equal distance from previous prime (21112020300299) and next prime (21112020300307).

It is not a de Polignac number, because 21112020300303 - 2² = 21112020300299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21112020300307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7236700 + ... + 9725937.

It is an arithmetic number, because the mean of its divisors is an integer number (1009616213760).

Almost surely, 2^{21112020300303} is an apocalyptic number.

21112020300303 is a deficient number, since it is larger than the sum of its proper divisors (11195698540017).

21112020300303 is a wasteful number, since it uses less digits than its factorization.

21112020300303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16964164 (or 16964158 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21112020300303 its reverse (30300302021112), we get a palindrome (51412322321415).

The spelling of 21112020300303 in words is "twenty-one trillion, one hundred twelve billion, twenty million, three hundred thousand, three hundred three".