21113404114 has 32 divisors (see below), whose sum is σ = 35404934400. Its totient is φ = 9359960400.

The previous prime is 21113404097. The next prime is 21113404121. The reversal of 21113404114 is 41140431112.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637537 + ... + 669835.

It is an arithmetic number, because the mean of its divisors is an integer number (1106404200).

Almost surely, 2^21113404114 is an apocalyptic number.

21113404114 is a deficient number, since it is larger than the sum of its proper divisors (14291530286).

21113404114 is a wasteful number, since it uses less digits than its factorization.

21113404114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33046.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 21113404114 its reverse (41140431112), we get a palindrome (62253835226).

The spelling of 21113404114 in words is "twenty-one billion, one hundred thirteen million, four hundred four thousand, one hundred fourteen".