111222210022112 has 48 divisors (see below), whose sum is σ = 250548244692480. Its totient is φ = 47609847696768.

The previous prime is 111222210022111. The next prime is 111222210022129. The reversal of 111222210022112 is 211220012222111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222210022111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295716548 + ... + 296092419.

It is an arithmetic number, because the mean of its divisors is an integer number (5219755097760).

Almost surely, 2^{111222210022112} is an apocalyptic number.

It is an amenable number.

111222210022112 is an abundant number, since it is smaller than the sum of its proper divisors (139326034670368).

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

111222210022112 is an equidigital number, since it uses as much as digits as its factorization.

111222210022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591809823 (or 591809815 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 111222210022112 its reverse (211220012222111), we get a palindrome (322442222244223).

The spelling of 111222210022112 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred ten million, twenty-two thousand, one hundred twelve".