111022122012 has 24 divisors (see below), whose sum is σ = 259057005312. Its totient is φ = 37006604400.

The previous prime is 111022122011. The next prime is 111022122047. The reversal of 111022122012 is 210221220111.

It is a junction number, because it is equal to n+sod(n) for n = 111022121982 and 111022122000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111022122011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1085437 + ... + 1183307.

It is an arithmetic number, because the mean of its divisors is an integer number (10794041888).

Almost surely, 2^111022122012 is an apocalyptic number.

111022122012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111022122012 is an abundant number, since it is smaller than the sum of its proper divisors (148034883300).

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

111022122012 is a wasteful number, since it uses less digits than its factorization.

111022122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192409 (or 192407 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111022122012 its reverse (210221220111), we get a palindrome (321243342123).

The spelling of 111022122012 in words is "one hundred eleven billion, twenty-two million, one hundred twenty-two thousand, twelve".