21422106110031 has 64 divisors (see below), whose sum is σ = 33936581836800. Its totient is φ = 11873483798400.

The previous prime is 21422106110017. The next prime is 21422106110047. The reversal of 21422106110031 is 13001160122412.

It is not a de Polignac number, because 21422106110031 - 2¹³ = 21422106101839 is a prime.

It is a super-2 number, since 2×21422106110031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21422106109983 and 21422106110010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21422106110231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 102575086 + ... + 102783716.

It is an arithmetic number, because the mean of its divisors is an integer number (530259091200).

Almost surely, 2^{21422106110031} is an apocalyptic number.

21422106110031 is a deficient number, since it is larger than the sum of its proper divisors (12514475726769).

21422106110031 is a wasteful number, since it uses less digits than its factorization.

21422106110031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214340.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 21422106110031 its reverse (13001160122412), we get a palindrome (34423266232443).

The spelling of 21422106110031 in words is "twenty-one trillion, four hundred twenty-two billion, one hundred six million, one hundred ten thousand, thirty-one".