3111222122 has 16 divisors (see below), whose sum is σ = 4943918592. Its totient is φ = 1463344320.

The previous prime is 3111222083. The next prime is 3111222131. The reversal of 3111222122 is 2212221113.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 3111222122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45623 + ... + 91125.

It is an arithmetic number, because the mean of its divisors is an integer number (308994912).

Almost surely, 2^3111222122 is an apocalyptic number.

3111222122 is a deficient number, since it is larger than the sum of its proper divisors (1832696470).

3111222122 is a wasteful number, since it uses less digits than its factorization.

3111222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47533.

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

The square root of 3111222122 is about 55778.3302188224. The cubic root of 3111222122 is about 1459.8570764578.

Adding to 3111222122 its reverse (2212221113), we get a palindrome (5323443235).

The spelling of 3111222122 in words is "three billion, one hundred eleven million, two hundred twenty-two thousand, one hundred twenty-two".