10211112199997 has 2 divisors, whose sum is σ = 10211112199998. Its totient is φ = 10211112199996.

The previous prime is 10211112199979. The next prime is 10211112200033. The reversal of 10211112199997 is 79999121111201.

Together with previous prime (10211112199979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7716778412281 + 2494333787716 = 2777909^2 + 1579346^2 .

It is a cyclic number.

It is not a de Polignac number, because 10211112199997 - 2²⁶ = 10211045091133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10211112199927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105556099998 + 5105556099999.

It is an arithmetic number, because the mean of its divisors is an integer number (5105556099999).

Almost surely, 2^{10211112199997} is an apocalyptic number.

It is an amenable number.

10211112199997 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211112199997 is an equidigital number, since it uses as much as digits as its factorization.

10211112199997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 183708, while the sum is 53.

The spelling of 10211112199997 in words is "ten trillion, two hundred eleven billion, one hundred twelve million, one hundred ninety-nine thousand, nine hundred ninety-seven".