112111020221129 has 2 divisors, whose sum is σ = 112111020221130. Its totient is φ = 112111020221128.

The previous prime is 112111020221113. The next prime is 112111020221191. The reversal of 112111020221129 is 921122020111211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103094374531600 + 9016645689529 = 10153540^2 + 3002773^2 .

It is a cyclic number.

It is not a de Polignac number, because 112111020221129 - 2⁴ = 112111020221113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112111020221098 and 112111020221107.

It is not a weakly prime, because it can be changed into another prime (112111020221429) 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, 56055510110564 + 56055510110565.

It is an arithmetic number, because the mean of its divisors is an integer number (56055510110565).

Almost surely, 2^{112111020221129} is an apocalyptic number.

It is an amenable number.

112111020221129 is a deficient number, since it is larger than the sum of its proper divisors (1).

112111020221129 is an equidigital number, since it uses as much as digits as its factorization.

112111020221129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 112111020221129 in words is "one hundred twelve trillion, one hundred eleven billion, twenty million, two hundred twenty-one thousand, one hundred twenty-nine".