2122208811 has 12 divisors (see below), whose sum is σ = 3069000792. Its totient is φ = 1413149856.

The previous prime is 2122208801. The next prime is 2122208839. The reversal of 2122208811 is 1188022212.

It is not a de Polignac number, because 2122208811 - 2⁹ = 2122208299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122208801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129861 + ... + 145286.

It is an arithmetic number, because the mean of its divisors is an integer number (255750066).

Almost surely, 2^2122208811 is an apocalyptic number.

2122208811 is a deficient number, since it is larger than the sum of its proper divisors (946791981).

2122208811 is a wasteful number, since it uses less digits than its factorization.

2122208811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276010 (or 276007 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 2122208811 is about 46067.4376430902. The cubic root of 2122208811 is about 1285.0776519967.

The spelling of 2122208811 in words is "two billion, one hundred twenty-two million, two hundred eight thousand, eight hundred eleven".