112571221019 has 2 divisors, whose sum is σ = 112571221020. Its totient is φ = 112571221018.

The previous prime is 112571220997. The next prime is 112571221069. The reversal of 112571221019 is 910122175211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112571221019 is a prime.

It is a super-2 number, since 2×112571221019² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (112571221069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56285610509 + 56285610510.

It is an arithmetic number, because the mean of its divisors is an integer number (56285610510).

Almost surely, 2^112571221019 is an apocalyptic number.

112571221019 is a deficient number, since it is larger than the sum of its proper divisors (1).

112571221019 is an equidigital number, since it uses as much as digits as its factorization.

112571221019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 32.

The spelling of 112571221019 in words is "one hundred twelve billion, five hundred seventy-one million, two hundred twenty-one thousand, nineteen".