112123110221971 has 2 divisors, whose sum is σ = 112123110221972. Its totient is φ = 112123110221970.

The previous prime is 112123110221939. The next prime is 112123110222041. The reversal of 112123110221971 is 179122011321211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112123110221971 - 2⁵ = 112123110221939 is a prime.

It is a super-2 number, since 2×112123110221971² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (112123410221971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56061555110985 + 56061555110986.

It is an arithmetic number, because the mean of its divisors is an integer number (56061555110986).

Almost surely, 2^{112123110221971} is an apocalyptic number.

112123110221971 is a deficient number, since it is larger than the sum of its proper divisors (1).

112123110221971 is an equidigital number, since it uses as much as digits as its factorization.

112123110221971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 34.

The spelling of 112123110221971 in words is "one hundred twelve trillion, one hundred twenty-three billion, one hundred ten million, two hundred twenty-one thousand, nine hundred seventy-one".