21114301044 has 12 divisors (see below), whose sum is σ = 49266702464. Its totient is φ = 7038100344.

The previous prime is 21114301003. The next prime is 21114301111. The reversal of 21114301044 is 44010341112.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 21114301044.

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, 879762532 + ... + 879762555.

Almost surely, 2^21114301044 is an apocalyptic number.

It is an amenable number.

21114301044 is an abundant number, since it is smaller than the sum of its proper divisors (28152401420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21114301044 is a wasteful number, since it uses less digits than its factorization.

21114301044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759525094 (or 1759525092 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 21114301044 its reverse (44010341112), we get a palindrome (65124642156).

The spelling of 21114301044 in words is "twenty-one billion, one hundred fourteen million, three hundred one thousand, forty-four".