21454301116 has 12 divisors (see below), whose sum is σ = 37643058432. Its totient is φ = 10699141568.

The previous prime is 21454301093. The next prime is 21454301137. The reversal of 21454301116 is 61110345412.

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, 7000525 + ... + 7003588.

It is an arithmetic number, because the mean of its divisors is an integer number (3136921536).

Almost surely, 2^21454301116 is an apocalyptic number.

It is an amenable number.

21454301116 is a deficient number, since it is larger than the sum of its proper divisors (16188757316).

21454301116 is a wasteful number, since it uses less digits than its factorization.

21454301116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14004500 (or 14004498 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 21454301116 its reverse (61110345412), we get a palindrome (82564646528).

The spelling of 21454301116 in words is "twenty-one billion, four hundred fifty-four million, three hundred one thousand, one hundred sixteen".