1112000021997 has 16 divisors (see below), whose sum is σ = 1489336051392. Its totient is φ = 737999275520.

The previous prime is 1112000021971. The next prime is 1112000021999. The reversal of 1112000021997 is 7991200002111.

It is a cyclic number.

It is not a de Polignac number, because 1112000021997 - 2³⁰ = 1110926280173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112000021999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7909597 + ... + 8048957.

It is an arithmetic number, because the mean of its divisors is an integer number (93083503212).

Almost surely, 2^{1112000021997} is an apocalyptic number.

It is an amenable number.

1112000021997 is a deficient number, since it is larger than the sum of its proper divisors (377336029395).

1112000021997 is a wasteful number, since it uses less digits than its factorization.

1112000021997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151308.

The product of its (nonzero) digits is 2268, while the sum is 33.

The spelling of 1112000021997 in words is "one trillion, one hundred twelve billion, twenty-one thousand, nine hundred ninety-seven".