21113403024410 has 8 divisors (see below), whose sum is σ = 38004125443956. Its totient is φ = 8445361209760.

The previous prime is 21113403024383. The next prime is 21113403024487. The reversal of 21113403024410 is 1442030431112.

It can be written as a sum of positive squares in 2 ways, for example, as 20480358423529 + 633044600881 = 4525523^2 + 795641^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 21113403024410.

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, 1055670151211 + ... + 1055670151230.

Almost surely, 2^{21113403024410} is an apocalyptic number.

21113403024410 is a deficient number, since it is larger than the sum of its proper divisors (16890722419546).

21113403024410 is a wasteful number, since it uses less digits than its factorization.

21113403024410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111340302448.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 21113403024410 its reverse (1442030431112), we get a palindrome (22555433455522).

The spelling of 21113403024410 in words is "twenty-one trillion, one hundred thirteen billion, four hundred three million, twenty-four thousand, four hundred ten".