112222210129 has 2 divisors, whose sum is σ = 112222210130. Its totient is φ = 112222210128.

The previous prime is 112222210099. The next prime is 112222210201. The reversal of 112222210129 is 921012222211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95490270225 + 16731939904 = 309015^2 + 129352^2 .

It is a cyclic number.

It is not a de Polignac number, because 112222210129 - 2²⁹ = 111685339217 is a prime.

It is not a weakly prime, because it can be changed into another prime (112222214129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56111105064 + 56111105065.

It is an arithmetic number, because the mean of its divisors is an integer number (56111105065).

Almost surely, 2^112222210129 is an apocalyptic number.

It is an amenable number.

112222210129 is a deficient number, since it is larger than the sum of its proper divisors (1).

112222210129 is an equidigital number, since it uses as much as digits as its factorization.

112222210129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 112222210129 in words is "one hundred twelve billion, two hundred twenty-two million, two hundred ten thousand, one hundred twenty-nine".