111122000222100 has 216 divisors, whose sum is σ = 384113146122720. Its totient is φ = 24712846260480.

The previous prime is 111122000222087. The next prime is 111122000222111. The reversal of 111122000222100 is 1222000221111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 111122000222100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 101609070 + ... + 102696869.

It is an arithmetic number, because the mean of its divisors is an integer number (1778301602420).

Almost surely, 2^{111122000222100} is an apocalyptic number.

111122000222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111122000222100 is an abundant number, since it is smaller than the sum of its proper divisors (272991145900620).

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

111122000222100 is a wasteful number, since it uses less digits than its factorization.

111122000222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204306007 (or 204305993 counting only the distinct ones).

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

Adding to 111122000222100 its reverse (1222000221111), we get a palindrome (112344000443211).

The spelling of 111122000222100 in words is "one hundred eleven trillion, one hundred twenty-two billion, two hundred twenty-two thousand, one hundred".