2311121222 has 8 divisors (see below), whose sum is σ = 3508449336. Its totient is φ = 1141638112.

The previous prime is 2311121209. The next prime is 2311121237. The reversal of 2311121222 is 2221211132.

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

It is a super-3 number, since 3×2311121222³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2311121222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6961043 + ... + 6961374.

It is an arithmetic number, because the mean of its divisors is an integer number (438556167).

Almost surely, 2^2311121222 is an apocalyptic number.

2311121222 is a deficient number, since it is larger than the sum of its proper divisors (1197328114).

2311121222 is a wasteful number, since it uses less digits than its factorization.

2311121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13922502.

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

The square root of 2311121222 is about 48074.1221656725. The cubic root of 2311121222 is about 1322.1302498458.

Adding to 2311121222 its reverse (2221211132), we get a palindrome (4532332354).

The spelling of 2311121222 in words is "two billion, three hundred eleven million, one hundred twenty-one thousand, two hundred twenty-two".