21412113411 has 16 divisors (see below), whose sum is σ = 32554164384. Its totient is φ = 12401585664.

The previous prime is 21412113397. The next prime is 21412113413. The reversal of 21412113411 is 11431121412.

It is not a de Polignac number, because 21412113411 - 2¹⁵ = 21412080643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21412113413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16147236 + ... + 16148561.

It is an arithmetic number, because the mean of its divisors is an integer number (2034635274).

Almost surely, 2^21412113411 is an apocalyptic number.

21412113411 is a deficient number, since it is larger than the sum of its proper divisors (11142050973).

21412113411 is a wasteful number, since it uses less digits than its factorization.

21412113411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32295830.

The product of its digits is 192, while the sum is 21.

Adding to 21412113411 its reverse (11431121412), we get a palindrome (32843234823).

The spelling of 21412113411 in words is "twenty-one billion, four hundred twelve million, one hundred thirteen thousand, four hundred eleven".