11122200911 has 2 divisors, whose sum is σ = 11122200912. Its totient is φ = 11122200910.

The previous prime is 11122200871. The next prime is 11122200961. The reversal of 11122200911 is 11900222111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11122200911 - 2²⁶ = 11055092047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11122200961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561100455 + 5561100456.

It is an arithmetic number, because the mean of its divisors is an integer number (5561100456).

Almost surely, 2^11122200911 is an apocalyptic number.

11122200911 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122200911 is an equidigital number, since it uses as much as digits as its factorization.

11122200911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 11122200911 in words is "eleven billion, one hundred twenty-two million, two hundred thousand, nine hundred eleven".