21331322114 has 32 divisors (see below), whose sum is σ = 32720633856. Its totient is φ = 10427178960.

The previous prime is 21331322113. The next prime is 21331322143. The reversal of 21331322114 is 41122313312.

It is a super-3 number, since 3×21331322114³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21331322114.

It is not an unprimeable number, because it can be changed into a prime (21331322113) 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, 11649179 + ... + 11651009.

It is an arithmetic number, because the mean of its divisors is an integer number (1022519808).

Almost surely, 2^21331322114 is an apocalyptic number.

21331322114 is a deficient number, since it is larger than the sum of its proper divisors (11389311742).

21331322114 is a wasteful number, since it uses less digits than its factorization.

21331322114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510.

The product of its digits is 864, while the sum is 23.

Adding to 21331322114 its reverse (41122313312), we get a palindrome (62453635426).

The spelling of 21331322114 in words is "twenty-one billion, three hundred thirty-one million, three hundred twenty-two thousand, one hundred fourteen".