22121110421411 has 4 divisors (see below), whose sum is σ = 22660649700024. Its totient is φ = 21581571142800.

The previous prime is 22121110421387. The next prime is 22121110421413. The reversal of 22121110421411 is 11412401112122.

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

It is a cyclic number.

It is not a de Polignac number, because 22121110421411 - 2³⁴ = 22103930552227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22121110421413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269769639245 + ... + 269769639326.

It is an arithmetic number, because the mean of its divisors is an integer number (5665162425006).

Almost surely, 2^{22121110421411} is an apocalyptic number.

22121110421411 is a deficient number, since it is larger than the sum of its proper divisors (539539278613).

22121110421411 is an equidigital number, since it uses as much as digits as its factorization.

22121110421411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539539278612.

The product of its (nonzero) digits is 256, while the sum is 23.

Adding to 22121110421411 its reverse (11412401112122), we get a palindrome (33533511533533).

The spelling of 22121110421411 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred ten million, four hundred twenty-one thousand, four hundred eleven".