111210113009 has 2 divisors, whose sum is σ = 111210113010. Its totient is φ = 111210113008.

The previous prime is 111210112963. The next prime is 111210113039. The reversal of 111210113009 is 900311012111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111192237025 + 17875984 = 333455^2 + 4228^2 .

It is a cyclic number.

It is not a de Polignac number, because 111210113009 - 2⁸ = 111210112753 is a prime.

It is not a weakly prime, because it can be changed into another prime (111210113039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55605056504 + 55605056505.

It is an arithmetic number, because the mean of its divisors is an integer number (55605056505).

Almost surely, 2^111210113009 is an apocalyptic number.

It is an amenable number.

111210113009 is a deficient number, since it is larger than the sum of its proper divisors (1).

111210113009 is an equidigital number, since it uses as much as digits as its factorization.

111210113009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 20.

The spelling of 111210113009 in words is "one hundred eleven billion, two hundred ten million, one hundred thirteen thousand, nine".