111012210149 has 2 divisors, whose sum is σ = 111012210150. Its totient is φ = 111012210148.

The previous prime is 111012210103. The next prime is 111012210167. The reversal of 111012210149 is 941012210111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78242159524 + 32770050625 = 279718^2 + 181025^2 .

It is an emirp because it is prime and its reverse (941012210111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111012210149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111012210649) 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, 55506105074 + 55506105075.

It is an arithmetic number, because the mean of its divisors is an integer number (55506105075).

Almost surely, 2^111012210149 is an apocalyptic number.

It is an amenable number.

111012210149 is a deficient number, since it is larger than the sum of its proper divisors (1).

111012210149 is an equidigital number, since it uses as much as digits as its factorization.

111012210149 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 111012210149 in words is "one hundred eleven billion, twelve million, two hundred ten thousand, one hundred forty-nine".