101112020999 has 4 divisors (see below), whose sum is σ = 110304022920. Its totient is φ = 91920019080.

The previous prime is 101112020981. The next prime is 101112021029. The reversal of 101112020999 is 999020211101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101112020999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101112020969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4596000944 + ... + 4596000965.

It is an arithmetic number, because the mean of its divisors is an integer number (27576005730).

Almost surely, 2^101112020999 is an apocalyptic number.

101112020999 is a deficient number, since it is larger than the sum of its proper divisors (9192001921).

101112020999 is an equidigital number, since it uses as much as digits as its factorization.

101112020999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9192001920.

The product of its (nonzero) digits is 2916, while the sum is 35.

The spelling of 101112020999 in words is "one hundred one billion, one hundred twelve million, twenty thousand, nine hundred ninety-nine".