2122640611 has 16 divisors (see below), whose sum is σ = 2617318144. Its totient is φ = 1676342304.

The previous prime is 2122640609. The next prime is 2122640633. The reversal of 2122640611 is 1160462212.

It is a happy number.

It is not a de Polignac number, because 2122640611 - 2¹ = 2122640609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122640671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28456 + ... + 71098.

It is an arithmetic number, because the mean of its divisors is an integer number (163582384).

Almost surely, 2^2122640611 is an apocalyptic number.

2122640611 is a deficient number, since it is larger than the sum of its proper divisors (494677533).

2122640611 is a wasteful number, since it uses less digits than its factorization.

2122640611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43210.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2122640611 is about 46072.1240122484. The cubic root of 2122640611 is about 1285.1648031600.

The spelling of 2122640611 in words is "two billion, one hundred twenty-two million, six hundred forty thousand, six hundred eleven".