21442011024411 has 12 divisors (see below), whose sum is σ = 31970883821760. Its totient is φ = 13833555499440.

The previous prime is 21442011024407. The next prime is 21442011024433. The reversal of 21442011024411 is 11442011024412.

21442011024411 is a `hidden beast` number, since 2 + 1 + 4 + 4 + 201 + 10 + 2 + 441 + 1 = 666.

It is not a de Polignac number, because 21442011024411 - 2² = 21442011024407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21442011024491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38426542776 + ... + 38426543333.

It is an arithmetic number, because the mean of its divisors is an integer number (2664240318480).

Almost surely, 2^{21442011024411} is an apocalyptic number.

21442011024411 is a deficient number, since it is larger than the sum of its proper divisors (10528872797349).

21442011024411 is a wasteful number, since it uses less digits than its factorization.

21442011024411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76853086146 (or 76853086143 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

Adding to 21442011024411 its reverse (11442011024412), we get a palindrome (32884022048823).

Subtracting from 21442011024411 its reverse (11442011024412), we obtain a palindrome (9999999999999).

The spelling of 21442011024411 in words is "twenty-one trillion, four hundred forty-two billion, eleven million, twenty-four thousand, four hundred eleven".