22111120200031 has 2 divisors, whose sum is σ = 22111120200032. Its totient is φ = 22111120200030.

The previous prime is 22111120200011. The next prime is 22111120200049. The reversal of 22111120200031 is 13000202111122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22111120200031 - 2³⁵ = 22076760461663 is a prime.

It is a super-2 number, since 2×22111120200031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22111120199978 and 22111120200014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22111120200011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055560100015 + 11055560100016.

It is an arithmetic number, because the mean of its divisors is an integer number (11055560100016).

Almost surely, 2^{22111120200031} is an apocalyptic number.

22111120200031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111120200031 is an equidigital number, since it uses as much as digits as its factorization.

22111120200031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 22111120200031 its reverse (13000202111122), we get a palindrome (35111322311153).

The spelling of 22111120200031 in words is "twenty-two trillion, one hundred eleven billion, one hundred twenty million, two hundred thousand, thirty-one".