111200111149 has 2 divisors, whose sum is σ = 111200111150. Its totient is φ = 111200111148.

The previous prime is 111200111107. The next prime is 111200111177. The reversal of 111200111149 is 941111002111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68890500900 + 42309610249 = 262470^2 + 205693^2 .

It is a cyclic number.

It is not a de Polignac number, because 111200111149 - 2¹¹ = 111200109101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111200111249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600055574 + 55600055575.

It is an arithmetic number, because the mean of its divisors is an integer number (55600055575).

Almost surely, 2^111200111149 is an apocalyptic number.

It is an amenable number.

111200111149 is a deficient number, since it is larger than the sum of its proper divisors (1).

111200111149 is an equidigital number, since it uses as much as digits as its factorization.

111200111149 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 22.

The spelling of 111200111149 in words is "one hundred eleven billion, two hundred million, one hundred eleven thousand, one hundred forty-nine".