22220112312031 has 2 divisors, whose sum is σ = 22220112312032. Its totient is φ = 22220112312030.

The previous prime is 22220112311993. The next prime is 22220112312121. The reversal of 22220112312031 is 13021321102222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22220112312031 - 2¹³ = 22220112303839 is a prime.

It is a super-2 number, since 2×22220112312031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22220112311993 and 22220112312011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22220112312131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110056156015 + 11110056156016.

It is an arithmetic number, because the mean of its divisors is an integer number (11110056156016).

Almost surely, 2^{22220112312031} is an apocalyptic number.

22220112312031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220112312031 is an equidigital number, since it uses as much as digits as its factorization.

22220112312031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 22220112312031 its reverse (13021321102222), we get a palindrome (35241433414253).

The spelling of 22220112312031 in words is "twenty-two trillion, two hundred twenty billion, one hundred twelve million, three hundred twelve thousand, thirty-one".