21300220441131 has 16 divisors (see below), whose sum is σ = 29380648937760. Its totient is φ = 13710003937280.

The previous prime is 21300220441099. The next prime is 21300220441139. The reversal of 21300220441131 is 13114402200312.

It is a cyclic number.

It is not a de Polignac number, because 21300220441131 - 2⁵ = 21300220441099 is a prime.

It is a super-2 number, since 2×21300220441131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21300220441139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1817430 + ... + 6775211.

It is an arithmetic number, because the mean of its divisors is an integer number (1836290558610).

Almost surely, 2^{21300220441131} is an apocalyptic number.

21300220441131 is a deficient number, since it is larger than the sum of its proper divisors (8080428496629).

21300220441131 is a wasteful number, since it uses less digits than its factorization.

21300220441131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8621166.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 21300220441131 its reverse (13114402200312), we get a palindrome (34414622641443).

The spelling of 21300220441131 in words is "twenty-one trillion, three hundred billion, two hundred twenty million, four hundred forty-one thousand, one hundred thirty-one".