2120011010999 has 16 divisors (see below), whose sum is σ = 2453332893696. Its totient is φ = 1794443812800.

The previous prime is 2120011010989. The next prime is 2120011011023. The reversal of 2120011010999 is 9990101100212.

It is a cyclic number.

It is not a de Polignac number, because 2120011010999 - 2¹⁶ = 2120010945463 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 (2120011010939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5603867 + ... + 5970204.

It is an arithmetic number, because the mean of its divisors is an integer number (153333305856).

Almost surely, 2^{2120011010999} is an apocalyptic number.

2120011010999 is a deficient number, since it is larger than the sum of its proper divisors (333321882697).

2120011010999 is a wasteful number, since it uses less digits than its factorization.

2120011010999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11574406.

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

The spelling of 2120011010999 in words is "two trillion, one hundred twenty billion, eleven million, ten thousand, nine hundred ninety-nine".