2122312011 has 16 divisors (see below), whose sum is σ = 3034137600. Its totient is φ = 1314787968.

The previous prime is 2122312009. The next prime is 2122312021. The reversal of 2122312011 is 1102132212.

It is not a de Polignac number, because 2122312011 - 2¹ = 2122312009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122312021) 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, 259351 + ... + 267408.

It is an arithmetic number, because the mean of its divisors is an integer number (189633600).

Almost surely, 2^2122312011 is an apocalyptic number.

2122312011 is a deficient number, since it is larger than the sum of its proper divisors (911825589).

2122312011 is a wasteful number, since it uses less digits than its factorization.

2122312011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526858.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2122312011 is about 46068.5577265015. The cubic root of 2122312011 is about 1285.0984821593.

Adding to 2122312011 its reverse (1102132212), we get a palindrome (3224444223).

The spelling of 2122312011 in words is "two billion, one hundred twenty-two million, three hundred twelve thousand, eleven".