111022121220112 has 20 divisors (see below), whose sum is σ = 215370594611536. Its totient is φ = 55442612933280.

The previous prime is 111022121220103. The next prime is 111022121220113. The reversal of 111022121220112 is 211022121220111.

It is a happy number.

It is a super-2 number, since 2×111022121220112² (a number of 29 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 111022121220112.

It is not an unprimeable number, because it can be changed into a prime (111022121220113) 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, 4277966418 + ... + 4277992369.

Almost surely, 2^{111022121220112} is an apocalyptic number.

It is an amenable number.

111022121220112 is a deficient number, since it is larger than the sum of its proper divisors (104348473391424).

111022121220112 is an equidigital number, since it uses as much as digits as its factorization.

111022121220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8555959606 (or 8555959600 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111022121220112 its reverse (211022121220111), we get a palindrome (322044242440223).

Subtracting 111022121220112 from its reverse (211022121220111), we obtain a palindrome (99999999999999).

The spelling of 111022121220112 in words is "one hundred eleven trillion, twenty-two billion, one hundred twenty-one million, two hundred twenty thousand, one hundred twelve".