2120796911 has 4 divisors (see below), whose sum is σ = 2121330192. Its totient is φ = 2120263632.

The previous prime is 2120796877. The next prime is 2120796913. The reversal of 2120796911 is 1196970212.

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

It is a cyclic number.

It is not a de Polignac number, because 2120796911 - 2²⁶ = 2053688047 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 (2120796913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260630 + ... + 268643.

It is an arithmetic number, because the mean of its divisors is an integer number (530332548).

Almost surely, 2^2120796911 is an apocalyptic number.

2120796911 is a deficient number, since it is larger than the sum of its proper divisors (533281).

2120796911 is an equidigital number, since it uses as much as digits as its factorization.

2120796911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533280.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 2120796911 is about 46052.1108202436. The cubic root of 2120796911 is about 1284.7926025004.

The spelling of 2120796911 in words is "two billion, one hundred twenty million, seven hundred ninety-six thousand, nine hundred eleven".