3111220322211 has 16 divisors (see below), whose sum is σ = 4151513954304. Its totient is φ = 2072537420544.

The previous prime is 3111220322143. The next prime is 3111220322267. The reversal of 3111220322211 is 1122230221113.

It is a de Polignac number, because none of the positive numbers 2^k-3111220322211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3111220322611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20193510 + ... + 20346996.

It is an arithmetic number, because the mean of its divisors is an integer number (259469622144).

Almost surely, 2^{3111220322211} is an apocalyptic number.

3111220322211 is a deficient number, since it is larger than the sum of its proper divisors (1040293632093).

3111220322211 is a wasteful number, since it uses less digits than its factorization.

3111220322211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158690.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 3111220322211 its reverse (1122230221113), we get a palindrome (4233450543324).

The spelling of 3111220322211 in words is "three trillion, one hundred eleven billion, two hundred twenty million, three hundred twenty-two thousand, two hundred eleven".