112122211211 has 2 divisors, whose sum is σ = 112122211212. Its totient is φ = 112122211210.

The previous prime is 112122211129. The next prime is 112122211241. The reversal of 112122211211 is 112112221211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112122211211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112122211211.

It is not a weakly prime, because it can be changed into another prime (112122211241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56061105605 + 56061105606.

It is an arithmetic number, because the mean of its divisors is an integer number (56061105606).

Almost surely, 2^112122211211 is an apocalyptic number.

112122211211 is a deficient number, since it is larger than the sum of its proper divisors (1).

112122211211 is an equidigital number, since it uses as much as digits as its factorization.

112122211211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32, while the sum is 17.

Adding to 112122211211 its reverse (112112221211), we get a palindrome (224234432422).

The spelling of 112122211211 in words is "one hundred twelve billion, one hundred twenty-two million, two hundred eleven thousand, two hundred eleven".