3111220112203 has 16 divisors (see below), whose sum is σ = 3710677501440. Its totient is φ = 2550537228096.

The previous prime is 3111220112197. The next prime is 3111220112213. The reversal of 3111220112203 is 3022110221113.

It is a cyclic number.

It is not a de Polignac number, because 3111220112203 - 2⁴¹ = 912196856651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3111220112213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446608 + ... + 2534146.

It is an arithmetic number, because the mean of its divisors is an integer number (231917343840).

Almost surely, 2^{3111220112203} is an apocalyptic number.

3111220112203 is a deficient number, since it is larger than the sum of its proper divisors (599457389237).

3111220112203 is a wasteful number, since it uses less digits than its factorization.

3111220112203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096826.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 3111220112203 its reverse (3022110221113), we get a palindrome (6133330333316).

The spelling of 3111220112203 in words is "three trillion, one hundred eleven billion, two hundred twenty million, one hundred twelve thousand, two hundred three".