21303002310111 has 6 divisors (see below), whose sum is σ = 30771003336840. Its totient is φ = 14202001540068.

The previous prime is 21303002310097. The next prime is 21303002310127. The reversal of 21303002310111 is 11101320030312.

21303002310111 is a `hidden beast` number, since 2 + 130 + 300 + 231 + 0 + 1 + 1 + 1 = 666.

It is not a de Polignac number, because 21303002310111 - 2¹⁰ = 21303002309087 is a prime.

It is a super-2 number, since 2×21303002310111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21303002310131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1183500128331 + ... + 1183500128348.

It is an arithmetic number, because the mean of its divisors is an integer number (5128500556140).

Almost surely, 2^{21303002310111} is an apocalyptic number.

21303002310111 is a deficient number, since it is larger than the sum of its proper divisors (9468001026729).

21303002310111 is a wasteful number, since it uses less digits than its factorization.

21303002310111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367000256685 (or 2367000256682 counting only the distinct ones).

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

Adding to 21303002310111 its reverse (11101320030312), we get a palindrome (32404322340423).

The spelling of 21303002310111 in words is "twenty-one trillion, three hundred three billion, two million, three hundred ten thousand, one hundred eleven".