2120011000997 has 8 divisors (see below), whose sum is σ = 2158519454976. Its totient is φ = 2081758417632.

The previous prime is 2120011000993. The next prime is 2120011001029. The reversal of 2120011000997 is 7990001100212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2120011000997 - 2² = 2120011000993 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 (2120011000993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63950933 + ... + 63984074.

It is an arithmetic number, because the mean of its divisors is an integer number (269814931872).

Almost surely, 2^{2120011000997} is an apocalyptic number.

It is an amenable number.

2120011000997 is a deficient number, since it is larger than the sum of its proper divisors (38508453979).

2120011000997 is a wasteful number, since it uses less digits than its factorization.

2120011000997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127935307.

The product of its (nonzero) digits is 2268, while the sum is 32.

The spelling of 2120011000997 in words is "two trillion, one hundred twenty billion, eleven million, nine hundred ninety-seven", and thus it is an aban number.