111030212149 has 2 divisors, whose sum is σ = 111030212150. Its totient is φ = 111030212148.

The previous prime is 111030212093. The next prime is 111030212159. The reversal of 111030212149 is 941212030111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97878251025 + 13151961124 = 312855^2 + 114682^2 .

It is a cyclic number.

It is not a de Polignac number, because 111030212149 - 2⁷ = 111030212021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111030212159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55515106074 + 55515106075.

It is an arithmetic number, because the mean of its divisors is an integer number (55515106075).

Almost surely, 2^111030212149 is an apocalyptic number.

It is an amenable number.

111030212149 is a deficient number, since it is larger than the sum of its proper divisors (1).

111030212149 is an equidigital number, since it uses as much as digits as its factorization.

111030212149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 111030212149 in words is "one hundred eleven billion, thirty million, two hundred twelve thousand, one hundred forty-nine".