21004223414410 has 16 divisors (see below), whose sum is σ = 37873815119712. Its totient is φ = 8386975371600.

The previous prime is 21004223414399. The next prime is 21004223414453. The reversal of 21004223414410 is 1441432240012.

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, 1839243276 + ... + 1839254695.

It is an arithmetic number, because the mean of its divisors is an integer number (2367113444982).

Almost surely, 2^{21004223414410} is an apocalyptic number.

21004223414410 is a deficient number, since it is larger than the sum of its proper divisors (16869591705302).

21004223414410 is a wasteful number, since it uses less digits than its factorization.

21004223414410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3678498549.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 21004223414410 its reverse (1441432240012), we get a palindrome (22445655654422).

The spelling of 21004223414410 in words is "twenty-one trillion, four billion, two hundred twenty-three million, four hundred fourteen thousand, four hundred ten".