2992120811 has 4 divisors (see below), whose sum is σ = 3013647000. Its totient is φ = 2970594624.

The previous prime is 2992120783. The next prime is 2992120841. The reversal of 2992120811 is 1180212992.

2992120811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2992120811 - 2²² = 2987926507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2992120841) 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, 10762886 + ... + 10763163.

It is an arithmetic number, because the mean of its divisors is an integer number (753411750).

Almost surely, 2^2992120811 is an apocalyptic number.

2992120811 is a deficient number, since it is larger than the sum of its proper divisors (21526189).

2992120811 is a wasteful number, since it uses less digits than its factorization.

2992120811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21526188.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 2992120811 is about 54700.2816354724. The cubic root of 2992120811 is about 1440.9858236332.

The spelling of 2992120811 in words is "two billion, nine hundred ninety-two million, one hundred twenty thousand, eight hundred eleven".