22111212110131 has 2 divisors, whose sum is σ = 22111212110132. Its totient is φ = 22111212110130.

The previous prime is 22111212110083. The next prime is 22111212110159. The reversal of 22111212110131 is 13101121211122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22111212110131 - 2²¹ = 22111210012979 is a prime.

It is a super-2 number, since 2×22111212110131² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22111212110099 and 22111212110108.

It is not a weakly prime, because it can be changed into another prime (22111212110161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055606055065 + 11055606055066.

It is an arithmetic number, because the mean of its divisors is an integer number (11055606055066).

Almost surely, 2^{22111212110131} is an apocalyptic number.

22111212110131 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111212110131 is an equidigital number, since it uses as much as digits as its factorization.

22111212110131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 22111212110131 its reverse (13101121211122), we get a palindrome (35212333321253).

The spelling of 22111212110131 in words is "twenty-two trillion, one hundred eleven billion, two hundred twelve million, one hundred ten thousand, one hundred thirty-one".