112121010100999 has 2 divisors, whose sum is σ = 112121010101000. Its totient is φ = 112121010100998.

The previous prime is 112121010100997. The next prime is 112121010101011. The reversal of 112121010100999 is 999001010121211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112121010100999 - 2¹ = 112121010100997 is a prime.

It is a super-2 number, since 2×112121010100999² (a number of 29 digits) contains 22 as substring.

Together with 112121010100997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112121010100997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56060505050499 + 56060505050500.

It is an arithmetic number, because the mean of its divisors is an integer number (56060505050500).

Almost surely, 2^{112121010100999} is an apocalyptic number.

112121010100999 is a deficient number, since it is larger than the sum of its proper divisors (1).

112121010100999 is an equidigital number, since it uses as much as digits as its factorization.

112121010100999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 37.

The spelling of 112121010100999 in words is "one hundred twelve trillion, one hundred twenty-one billion, ten million, one hundred thousand, nine hundred ninety-nine".