3111220106 has 16 divisors (see below), whose sum is σ = 4704820200. Its totient is φ = 1542998208.

The previous prime is 3111220103. The next prime is 3111220117. The reversal of 3111220106 is 6010221113.

It can be written as a sum of positive squares in 4 ways, for example, as 3073704481 + 37515625 = 55441^2 + 6125^2 .

It is not an unprimeable number, because it can be changed into a prime (3111220103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110576 + ... + 135828.

Almost surely, 2^3111220106 is an apocalyptic number.

3111220106 is a deficient number, since it is larger than the sum of its proper divisors (1593600094).

3111220106 is a wasteful number, since it uses less digits than its factorization.

3111220106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25753.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 3111220106 is about 55778.3121472853. The cubic root of 3111220106 is about 1459.8567611398.

Adding to 3111220106 its reverse (6010221113), we get a palindrome (9121441219).

The spelling of 3111220106 in words is "three billion, one hundred eleven million, two hundred twenty thousand, one hundred six".