111272011 has 2 divisors, whose sum is σ = 111272012. Its totient is φ = 111272010.

The previous prime is 111271997. The next prime is 111272017. The reversal of 111272011 is 110272111.

It is a strong prime.

It is an emirp because it is prime and its reverse (110272111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111272011 - 2²⁵ = 77717579 is a prime.

It is not a weakly prime, because it can be changed into another prime (111272017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55636005 + 55636006.

It is an arithmetic number, because the mean of its divisors is an integer number (55636006).

Almost surely, 2^111272011 is an apocalyptic number.

111272011 is a deficient number, since it is larger than the sum of its proper divisors (1).

111272011 is an equidigital number, since it uses as much as digits as its factorization.

111272011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 16.

The square root of 111272011 is about 10548.5549247278. The cubic root of 111272011 is about 480.9818026406.

The spelling of 111272011 in words is "one hundred eleven million, two hundred seventy-two thousand, eleven".