111111022002222 has 24 divisors (see below), whose sum is σ = 262626052005720. Its totient is φ = 33670006667280.

The previous prime is 111111022002209. The next prime is 111111022002241. The reversal of 111111022002222 is 222200220111111.

111111022002222 is a `hidden beast` number, since 1 + 111 + 110 + 220 + 0 + 2 + 222 = 666.

It is a super-2 number, since 2×111111022002222² (a number of 29 digits) contains 22 as substring.

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 = 111111022002195 and 111111022002204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280583388697 + ... + 280583389092.

It is an arithmetic number, because the mean of its divisors is an integer number (10942752166905).

Almost surely, 2^{111111022002222} is an apocalyptic number.

111111022002222 is an abundant number, since it is smaller than the sum of its proper divisors (151515030003498).

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

111111022002222 is a wasteful number, since it uses less digits than its factorization.

111111022002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561166777808 (or 561166777805 counting only the distinct ones).

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

Adding to 111111022002222 its reverse (222200220111111), we get a palindrome (333311242113333).

The spelling of 111111022002222 in words is "one hundred eleven trillion, one hundred eleven billion, twenty-two million, two thousand, two hundred twenty-two".