11112220122149 has 2 divisors, whose sum is σ = 11112220122150. Its totient is φ = 11112220122148.

The previous prime is 11112220122001. The next prime is 11112220122167. The reversal of 11112220122149 is 94122102221111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10512230454049 + 599989668100 = 3242257^2 + 774590^2 .

It is a cyclic number.

It is not a de Polignac number, because 11112220122149 - 2¹² = 11112220118053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11112222122149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556110061074 + 5556110061075.

It is an arithmetic number, because the mean of its divisors is an integer number (5556110061075).

Almost surely, 2^{11112220122149} is an apocalyptic number.

It is an amenable number.

11112220122149 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112220122149 is an equidigital number, since it uses as much as digits as its factorization.

11112220122149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 29.

The spelling of 11112220122149 in words is "eleven trillion, one hundred twelve billion, two hundred twenty million, one hundred twenty-two thousand, one hundred forty-nine".