22120112101111 has 2 divisors, whose sum is σ = 22120112101112. Its totient is φ = 22120112101110.

The previous prime is 22120112101097. The next prime is 22120112101181. The reversal of 22120112101111 is 11110121102122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22120112101111 - 2⁹ = 22120112100599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22120112101181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060056050555 + 11060056050556.

It is an arithmetic number, because the mean of its divisors is an integer number (11060056050556).

Almost surely, 2^{22120112101111} is an apocalyptic number.

22120112101111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22120112101111 is an equidigital number, since it uses as much as digits as its factorization.

22120112101111 is an evil number, because the sum of its binary digits is even.

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

Adding to 22120112101111 its reverse (11110121102122), we get a palindrome (33230233203233).

The spelling of 22120112101111 in words is "twenty-two trillion, one hundred twenty billion, one hundred twelve million, one hundred one thousand, one hundred eleven".