2120654411 has 4 divisors (see below), whose sum is σ = 2120908800. Its totient is φ = 2120400024.

The previous prime is 2120654401. The next prime is 2120654413. The reversal of 2120654411 is 1144560212.

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 2120654411 - 2¹⁰ = 2120653387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120654413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114251 + ... + 131508.

It is an arithmetic number, because the mean of its divisors is an integer number (530227200).

Almost surely, 2^2120654411 is an apocalyptic number.

2120654411 is a deficient number, since it is larger than the sum of its proper divisors (254389).

2120654411 is an equidigital number, since it uses as much as digits as its factorization.

2120654411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254388.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 2120654411 is about 46050.5636339014. The cubic root of 2120654411 is about 1284.7638260460.

The spelling of 2120654411 in words is "two billion, one hundred twenty million, six hundred fifty-four thousand, four hundred eleven".