11192912111 has 6 divisors (see below), whose sum is σ = 11565621936. Its totient is φ = 10831849500.

The previous prime is 11192912089. The next prime is 11192912153. The reversal of 11192912111 is 11121929111.

It is not a de Polignac number, because 11192912111 - 2¹⁸ = 11192649967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11192911111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5822615 + ... + 5824536.

It is an arithmetic number, because the mean of its divisors is an integer number (1927603656).

Almost surely, 2^11192912111 is an apocalyptic number.

11192912111 is a deficient number, since it is larger than the sum of its proper divisors (372709825).

11192912111 is an equidigital number, since it uses as much as digits as its factorization.

11192912111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11647213 (or 11647182 counting only the distinct ones).

The product of its digits is 324, while the sum is 29.

The spelling of 11192912111 in words is "eleven billion, one hundred ninety-two million, nine hundred twelve thousand, one hundred eleven".