111022201022112 has 72 divisors (see below), whose sum is σ = 315721007521920. Its totient is φ = 37007210056320.

The previous prime is 111022201022099. The next prime is 111022201022113. The reversal of 111022201022112 is 211220102220111.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (111022201022113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62072439 + ... + 63835977.

It is an arithmetic number, because the mean of its divisors is an integer number (4385013993360).

Almost surely, 2^{111022201022112} is an apocalyptic number.

111022201022112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111022201022112 is an abundant number, since it is smaller than the sum of its proper divisors (204698806499808).

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

111022201022112 is a wasteful number, since it uses less digits than its factorization.

111022201022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982146 (or 1982135 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111022201022112 its reverse (211220102220111), we get a palindrome (322242303242223).

The spelling of 111022201022112 in words is "one hundred eleven trillion, twenty-two billion, two hundred one million, twenty-two thousand, one hundred twelve".