111200211149 has 2 divisors, whose sum is σ = 111200211150. Its totient is φ = 111200211148.

The previous prime is 111200211127. The next prime is 111200211173. The reversal of 111200211149 is 941112002111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105337246249 + 5862964900 = 324557^2 + 76570^2 .

It is a cyclic number.

It is not a de Polignac number, because 111200211149 - 2⁸ = 111200210893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111200214149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600105574 + 55600105575.

It is an arithmetic number, because the mean of its divisors is an integer number (55600105575).

Almost surely, 2^111200211149 is an apocalyptic number.

It is an amenable number.

111200211149 is a deficient number, since it is larger than the sum of its proper divisors (1).

111200211149 is an equidigital number, since it uses as much as digits as its factorization.

111200211149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 111200211149 in words is "one hundred eleven billion, two hundred million, two hundred eleven thousand, one hundred forty-nine".