111122201201022 has 72 divisors (see below), whose sum is σ = 265618808189280. Its totient is φ = 33549138057600.

The previous prime is 111122201200981. The next prime is 111122201201041. The reversal of 111122201201022 is 220102102221111.

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

It is a junction number, because it is equal to n+sod(n) for n = 111122201200986 and 111122201201004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 93543147 + ... + 94723622.

It is an arithmetic number, because the mean of its divisors is an integer number (3689150113740).

Almost surely, 2^{111122201201022} is an apocalyptic number.

111122201201022 is an abundant number, since it is smaller than the sum of its proper divisors (154496606988258).

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

111122201201022 is a wasteful number, since it uses less digits than its factorization.

111122201201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188267070 (or 188267056 counting only the distinct ones).

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

Adding to 111122201201022 its reverse (220102102221111), we get a palindrome (331224303422133).

The spelling of 111122201201022 in words is "one hundred eleven trillion, one hundred twenty-two billion, two hundred one million, two hundred one thousand, twenty-two".