21331310114 has 24 divisors (see below), whose sum is σ = 32859527580. Its totient is φ = 10385314016.

The previous prime is 21331310107. The next prime is 21331310123. The reversal of 21331310114 is 41101313312.

It can be written as a sum of positive squares in 2 ways, for example, as 15059462089 + 6271848025 = 122717^2 + 79195^2 .

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, 858092 + ... + 882600.

Almost surely, 2^21331310114 is an apocalyptic number.

21331310114 is a deficient number, since it is larger than the sum of its proper divisors (11528217466).

21331310114 is a wasteful number, since it uses less digits than its factorization.

21331310114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24802 (or 24755 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 21331310114 its reverse (41101313312), we get a palindrome (62432623426).

The spelling of 21331310114 in words is "twenty-one billion, three hundred thirty-one million, three hundred ten thousand, one hundred fourteen".