21113114366 has 8 divisors (see below), whose sum is σ = 31787403480. Its totient is φ = 10517313208.

The previous prime is 21113114329. The next prime is 21113114371. The reversal of 21113114366 is 66341131112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19621316 + ... + 19622391.

It is an arithmetic number, because the mean of its divisors is an integer number (3973425435).

Almost surely, 2^21113114366 is an apocalyptic number.

21113114366 is a deficient number, since it is larger than the sum of its proper divisors (10674289114).

21113114366 is a wasteful number, since it uses less digits than its factorization.

21113114366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39243978.

The product of its digits is 2592, while the sum is 29.

Adding to 21113114366 its reverse (66341131112), we get a palindrome (87454245478).

The spelling of 21113114366 in words is "twenty-one billion, one hundred thirteen million, one hundred fourteen thousand, three hundred sixty-six".