21114411204 has 24 divisors (see below), whose sum is σ = 49275281440. Its totient is φ = 7036948224.

The previous prime is 21114411193. The next prime is 21114411211. The reversal of 21114411204 is 40211441112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73069 + ... + 218100.

Almost surely, 2^21114411204 is an apocalyptic number.

It is an amenable number.

21114411204 is an abundant number, since it is smaller than the sum of its proper divisors (28160870236).

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

21114411204 is a wasteful number, since it uses less digits than its factorization.

21114411204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297219 (or 297217 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 21114411204 its reverse (40211441112), we get a palindrome (61325852316).

The spelling of 21114411204 in words is "twenty-one billion, one hundred fourteen million, four hundred eleven thousand, two hundred four".