111022122221112 has 64 divisors (see below), whose sum is σ = 280572696000000. Its totient is φ = 36606367977984.

The previous prime is 111022122221071. The next prime is 111022122221119. The reversal of 111022122221112 is 211122221220111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111022122221119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39666112 + ... + 42372687.

It is an arithmetic number, because the mean of its divisors is an integer number (4383948375000).

Almost surely, 2^{111022122221112} is an apocalyptic number.

111022122221112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111022122221112 is an abundant number, since it is smaller than the sum of its proper divisors (169550573778888).

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

111022122221112 is a wasteful number, since it uses less digits than its factorization.

111022122221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82039420 (or 82039416 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 111022122221112 its reverse (211122221220111), we get a palindrome (322144343441223).

The spelling of 111022122221112 in words is "one hundred eleven trillion, twenty-two billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred twelve".