111131102222 has 12 divisors (see below), whose sum is σ = 193912433640. Its totient is φ = 47627615196.

The previous prime is 111131102213. The next prime is 111131102263. The reversal of 111131102222 is 222201131111.

It is a happy number.

It is a super-2 number, since 2×111131102222² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111131102222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 566995322 + ... + 566995517.

It is an arithmetic number, because the mean of its divisors is an integer number (16159369470).

Almost surely, 2^111131102222 is an apocalyptic number.

111131102222 is a deficient number, since it is larger than the sum of its proper divisors (82781331418).

111131102222 is a wasteful number, since it uses less digits than its factorization.

111131102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133990855 (or 1133990848 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111131102222 its reverse (222201131111), we get a palindrome (333332233333).

The spelling of 111131102222 in words is "one hundred eleven billion, one hundred thirty-one million, one hundred two thousand, two hundred twenty-two".