111320222 has 16 divisors (see below), whose sum is σ = 180976992. Its totient is φ = 51049440.

The previous prime is 111320203. The next prime is 111320239. The reversal of 111320222 is 222023111.

It is a happy number.

It is a super-2 number, since 2×111320222² = 24784383652258568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111320197 and 111320206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9554 + ... + 17717.

It is an arithmetic number, because the mean of its divisors is an integer number (11311062).

Almost surely, 2^111320222 is an apocalyptic number.

111320222 is a deficient number, since it is larger than the sum of its proper divisors (69656770).

111320222 is a wasteful number, since it uses less digits than its factorization.

111320222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27443.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 111320222 is about 10550.8398717827. The cubic root of 111320222 is about 481.0512578590.

Adding to 111320222 its reverse (222023111), we get a palindrome (333343333).

The spelling of 111320222 in words is "one hundred eleven million, three hundred twenty thousand, two hundred twenty-two".