112020021999 has 6 divisors (see below), whose sum is σ = 161806698456. Its totient is φ = 74680014660.

The previous prime is 112020021979. The next prime is 112020022057. The reversal of 112020021999 is 999120020211.

It is not a de Polignac number, because 112020021999 - 2²⁴ = 112003244783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112020021979) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6223334547 + ... + 6223334564.

It is an arithmetic number, because the mean of its divisors is an integer number (26967783076).

Almost surely, 2^112020021999 is an apocalyptic number.

112020021999 is a deficient number, since it is larger than the sum of its proper divisors (49786676457).

112020021999 is a wasteful number, since it uses less digits than its factorization.

112020021999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12446669117 (or 12446669114 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The spelling of 112020021999 in words is "one hundred twelve billion, twenty million, twenty-one thousand, nine hundred ninety-nine".