2311122122 has 8 divisors (see below), whose sum is σ = 3469462500. Its totient is φ = 1154634624.

The previous prime is 2311122091. The next prime is 2311122127. The reversal of 2311122122 is 2212211132.

It can be written as a sum of positive squares in 2 ways, for example, as 2254255441 + 56866681 = 47479^2 + 7541^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2311122122.

It is not an unprimeable number, because it can be changed into a prime (2311122127) 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, 460097 + ... + 465092.

Almost surely, 2^2311122122 is an apocalyptic number.

2311122122 is a deficient number, since it is larger than the sum of its proper divisors (1158340378).

2311122122 is a wasteful number, since it uses less digits than its factorization.

2311122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926440.

The product of its digits is 96, while the sum is 17.

The square root of 2311122122 is about 48074.1315262169. The cubic root of 2311122122 is about 1322.1304214677.

Adding to 2311122122 its reverse (2212211132), we get a palindrome (4523333254).

The spelling of 2311122122 in words is "two billion, three hundred eleven million, one hundred twenty-two thousand, one hundred twenty-two".