112101012509 has 2 divisors, whose sum is σ = 112101012510. Its totient is φ = 112101012508.

The previous prime is 112101012493. The next prime is 112101012521. The reversal of 112101012509 is 905210101211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105480749284 + 6620263225 = 324778^2 + 81365^2 .

It is a cyclic number.

It is not a de Polignac number, because 112101012509 - 2⁴ = 112101012493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112101012539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56050506254 + 56050506255.

It is an arithmetic number, because the mean of its divisors is an integer number (56050506255).

Almost surely, 2^112101012509 is an apocalyptic number.

It is an amenable number.

112101012509 is a deficient number, since it is larger than the sum of its proper divisors (1).

112101012509 is an equidigital number, since it uses as much as digits as its factorization.

112101012509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 23.

The spelling of 112101012509 in words is "one hundred twelve billion, one hundred one million, twelve thousand, five hundred nine".