112100009993 has 2 divisors, whose sum is σ = 112100009994. Its totient is φ = 112100009992.

The previous prime is 112100009969. The next prime is 112100010053. The reversal of 112100009993 is 399900001211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73207042624 + 38892967369 = 270568^2 + 197213^2 .

It is a cyclic number.

It is not a de Polignac number, because 112100009993 - 2⁶ = 112100009929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (112100009953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56050004996 + 56050004997.

It is an arithmetic number, because the mean of its divisors is an integer number (56050004997).

Almost surely, 2^112100009993 is an apocalyptic number.

It is an amenable number.

112100009993 is a deficient number, since it is larger than the sum of its proper divisors (1).

112100009993 is an equidigital number, since it uses as much as digits as its factorization.

112100009993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 35.

The spelling of 112100009993 in words is "one hundred twelve billion, one hundred million, nine thousand, nine hundred ninety-three".