111233213149 has 2 divisors, whose sum is σ = 111233213150. Its totient is φ = 111233213148.

The previous prime is 111233213093. The next prime is 111233213171. The reversal of 111233213149 is 941312332111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108360789124 + 2872424025 = 329182^2 + 53595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111233213149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111233213149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111233213449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55616606574 + 55616606575.

It is an arithmetic number, because the mean of its divisors is an integer number (55616606575).

Almost surely, 2^111233213149 is an apocalyptic number.

It is an amenable number.

111233213149 is a deficient number, since it is larger than the sum of its proper divisors (1).

111233213149 is an equidigital number, since it uses as much as digits as its factorization.

111233213149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 31.

The spelling of 111233213149 in words is "one hundred eleven billion, two hundred thirty-three million, two hundred thirteen thousand, one hundred forty-nine".