111110022212 has 12 divisors (see below), whose sum is σ = 222220044480. Its totient is φ = 47618580936.

The previous prime is 111110022211. The next prime is 111110022223. The reversal of 111110022212 is 212220011111.

111110022212 is an admirable number.

It is a super-2 number, since 2×111110022212² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (111110022211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1984107512 + ... + 1984107567.

It is an arithmetic number, because the mean of its divisors is an integer number (18518337040).

Almost surely, 2^111110022212 is an apocalyptic number.

It is an amenable number.

111110022212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111110022212 is a wasteful number, since it uses less digits than its factorization.

111110022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3968215090 (or 3968215088 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111110022212 its reverse (212220011111), we get a palindrome (323330033323).

The spelling of 111110022212 in words is "one hundred eleven billion, one hundred ten million, twenty-two thousand, two hundred twelve".