21110313404 has 12 divisors (see below), whose sum is σ = 37308821928. Its totient is φ = 10450650000.

The previous prime is 21110313383. The next prime is 21110313449. The reversal of 21110313404 is 40431301112.

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, 26126222 + ... + 26127029.

It is an arithmetic number, because the mean of its divisors is an integer number (3109068494).

Almost surely, 2^21110313404 is an apocalyptic number.

It is an amenable number.

21110313404 is a deficient number, since it is larger than the sum of its proper divisors (16198508524).

21110313404 is a wasteful number, since it uses less digits than its factorization.

21110313404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52253356 (or 52253354 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21110313404 its reverse (40431301112), we get a palindrome (61541614516).

The spelling of 21110313404 in words is "twenty-one billion, one hundred ten million, three hundred thirteen thousand, four hundred four".