311112100222 has 48 divisors (see below), whose sum is σ = 586420259040. Its totient is φ = 121172705280.

The previous prime is 311112100207. The next prime is 311112100241. The reversal of 311112100222 is 222001211113.

It is a junction number, because it is equal to n+sod(n) for n = 311112100196 and 311112100205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5421054 + ... + 5478142.

It is an arithmetic number, because the mean of its divisors is an integer number (12217088730).

Almost surely, 2^311112100222 is an apocalyptic number.

311112100222 is a deficient number, since it is larger than the sum of its proper divisors (275308158818).

311112100222 is a wasteful number, since it uses less digits than its factorization.

311112100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60337 (or 60326 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 311112100222 its reverse (222001211113), we get a palindrome (533113311335).

The spelling of 311112100222 in words is "three hundred eleven billion, one hundred twelve million, one hundred thousand, two hundred twenty-two".