112212012102109 has 2 divisors, whose sum is σ = 112212012102110. Its totient is φ = 112212012102108.

The previous prime is 112212012102101. The next prime is 112212012102247. The reversal of 112212012102109 is 901201210212211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76266651354084 + 35945360748025 = 8733078^2 + 5995445^2 .

It is a cyclic number.

It is not a de Polignac number, because 112212012102109 - 2³ = 112212012102101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112212012102101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56106006051054 + 56106006051055.

It is an arithmetic number, because the mean of its divisors is an integer number (56106006051055).

Almost surely, 2^{112212012102109} is an apocalyptic number.

It is an amenable number.

112212012102109 is a deficient number, since it is larger than the sum of its proper divisors (1).

112212012102109 is an equidigital number, since it uses as much as digits as its factorization.

112212012102109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 112212012102109 in words is "one hundred twelve trillion, two hundred twelve billion, twelve million, one hundred two thousand, one hundred nine".