111202222222 has 96 divisors (see below), whose sum is σ = 219471275520. Its totient is φ = 41028664320.

The previous prime is 111202222217. The next prime is 111202222259. The reversal of 111202222222 is 222222202111.

It is a super-2 number, since 2×111202222222² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

111202222222 is a modest number, since divided by 222222 gives 111202 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 111202222222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 165233278 + ... + 165233950.

It is an arithmetic number, because the mean of its divisors is an integer number (2286159120).

Almost surely, 2^111202222222 is an apocalyptic number.

111202222222 is a deficient number, since it is larger than the sum of its proper divisors (108269053298).

111202222222 is an equidigital number, since it uses as much as digits as its factorization.

111202222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458 (or 785 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 111202222222 its reverse (222222202111), we get a palindrome (333424424333).

The spelling of 111202222222 in words is "one hundred eleven billion, two hundred two million, two hundred twenty-two thousand, two hundred twenty-two".