3111112223203 has 4 divisors (see below), whose sum is σ = 3211470682048. Its totient is φ = 3010753764360.

The previous prime is 3111112223123. The next prime is 3111112223209. The reversal of 3111112223203 is 3023222111113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3111112223203 is a prime.

It is a super-2 number, since 2×3111112223203² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3111112223209) 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 3 ways as a sum of consecutive naturals, for example, 50179229376 + ... + 50179229437.

It is an arithmetic number, because the mean of its divisors is an integer number (802867670512).

Almost surely, 2^{3111112223203} is an apocalyptic number.

3111112223203 is a deficient number, since it is larger than the sum of its proper divisors (100358458845).

3111112223203 is a wasteful number, since it uses less digits than its factorization.

3111112223203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100358458844.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 3111112223203 its reverse (3023222111113), we get a palindrome (6134334334316).

The spelling of 3111112223203 in words is "three trillion, one hundred eleven billion, one hundred twelve million, two hundred twenty-three thousand, two hundred three".