210112858117 has 2 divisors, whose sum is σ = 210112858118. Its totient is φ = 210112858116.

The previous prime is 210112858103. The next prime is 210112858127. The reversal of 210112858117 is 711858211012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121181268321 + 88931589796 = 348111^2 + 298214^2 .

It is a cyclic number.

It is not a de Polignac number, because 210112858117 - 2⁷ = 210112857989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210112858127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105056429058 + 105056429059.

It is an arithmetic number, because the mean of its divisors is an integer number (105056429059).

Almost surely, 2^210112858117 is an apocalyptic number.

It is an amenable number.

210112858117 is a deficient number, since it is larger than the sum of its proper divisors (1).

210112858117 is an equidigital number, since it uses as much as digits as its factorization.

210112858117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 37.

The spelling of 210112858117 in words is "two hundred ten billion, one hundred twelve million, eight hundred fifty-eight thousand, one hundred seventeen".