112021019129 has 2 divisors, whose sum is σ = 112021019130. Its totient is φ = 112021019128.

The previous prime is 112021019059. The next prime is 112021019137. The reversal of 112021019129 is 921910120211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63429429904 + 48591589225 = 251852^2 + 220435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112021019129 is a prime.

It is not a weakly prime, because it can be changed into another prime (112021019179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56010509564 + 56010509565.

It is an arithmetic number, because the mean of its divisors is an integer number (56010509565).

Almost surely, 2^112021019129 is an apocalyptic number.

It is an amenable number.

112021019129 is a deficient number, since it is larger than the sum of its proper divisors (1).

112021019129 is an equidigital number, since it uses as much as digits as its factorization.

112021019129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 112021019129 in words is "one hundred twelve billion, twenty-one million, nineteen thousand, one hundred twenty-nine".