21003314104034 has 4 divisors (see below), whose sum is σ = 31504971156054. Its totient is φ = 10501657052016.

The previous prime is 21003314104033. The next prime is 21003314104061. The reversal of 21003314104034 is 43040141330012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16887702586225 + 4115611517809 = 4109465^2 + 2028697^2 .

It is a super-2 number, since 2×21003314104034² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21003314103994 and 21003314104012.

It is not an unprimeable number, because it can be changed into a prime (21003314104033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5250828526007 + ... + 5250828526010.

Almost surely, 2^{21003314104034} is an apocalyptic number.

21003314104034 is a deficient number, since it is larger than the sum of its proper divisors (10501657052020).

21003314104034 is a wasteful number, since it uses less digits than its factorization.

21003314104034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10501657052019.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 21003314104034 its reverse (43040141330012), we get a palindrome (64043455434046).

The spelling of 21003314104034 in words is "twenty-one trillion, three billion, three hundred fourteen million, one hundred four thousand, thirty-four".