21422411422411 has 16 divisors (see below), whose sum is σ = 22258841084928. Its totient is φ = 20601059169600.

The previous prime is 21422411422351. The next prime is 21422411422523. The reversal of 21422411422411 is 11422411422412.

It is a cyclic number.

It is not a de Polignac number, because 21422411422411 - 2⁷ = 21422411422283 is a prime.

It is a super-2 number, since 2×21422411422411² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21422471422411) 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, 12599950 + ... + 14198716.

It is an arithmetic number, because the mean of its divisors is an integer number (1391177567808).

Almost surely, 2^{21422411422411} is an apocalyptic number.

21422411422411 is a deficient number, since it is larger than the sum of its proper divisors (836429662517).

21422411422411 is a wasteful number, since it uses less digits than its factorization.

21422411422411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603482.

The product of its digits is 8192, while the sum is 31.

Adding to 21422411422411 its reverse (11422411422412), we get a palindrome (32844822844823).

Subtracting from 21422411422411 its reverse (11422411422412), we obtain a palindrome (9999999999999).

The spelling of 21422411422411 in words is "twenty-one trillion, four hundred twenty-two billion, four hundred eleven million, four hundred twenty-two thousand, four hundred eleven".