21514422105304 has 32 divisors (see below), whose sum is σ = 40546917108000. Its totient is φ = 10701923316480.

The previous prime is 21514422105299. The next prime is 21514422105353. The reversal of 21514422105304 is 40350122441512.

It is a self number, because there is not a number n which added to its sum of digits gives 21514422105304.

It is a congruent number.

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, 13142644 + ... + 14688700.

It is an arithmetic number, because the mean of its divisors is an integer number (1267091159625).

Almost surely, 2^{21514422105304} is an apocalyptic number.

It is an amenable number.

21514422105304 is a deficient number, since it is larger than the sum of its proper divisors (19032495002696).

21514422105304 is a wasteful number, since it uses less digits than its factorization.

21514422105304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555003 (or 1554999 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 21514422105304 its reverse (40350122441512), we get a palindrome (61864544546816).

The spelling of 21514422105304 in words is "twenty-one trillion, five hundred fourteen billion, four hundred twenty-two million, one hundred five thousand, three hundred four".