21140332114 has 16 divisors (see below), whose sum is σ = 34595890560. Its totient is φ = 9608514160.

The previous prime is 21140332063. The next prime is 21140332117. The reversal of 21140332114 is 41123304112.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (21140332117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353607 + ... + 409045.

It is an arithmetic number, because the mean of its divisors is an integer number (2162243160).

Almost surely, 2^21140332114 is an apocalyptic number.

21140332114 is a deficient number, since it is larger than the sum of its proper divisors (13455558446).

21140332114 is a wasteful number, since it uses less digits than its factorization.

21140332114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72785.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21140332114 its reverse (41123304112), we get a palindrome (62263636226).

The spelling of 21140332114 in words is "twenty-one billion, one hundred forty million, three hundred thirty-two thousand, one hundred fourteen".