111011221200222 has 48 divisors (see below), whose sum is σ = 275621885716320. Its totient is φ = 31632458268096.

The previous prime is 111011221200167. The next prime is 111011221200223. The reversal of 111011221200222 is 222002122110111.

111011221200222 is a `hidden beast` number, since 1 + 1 + 10 + 11 + 221 + 200 + 222 = 666.

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 = 111011221200195 and 111011221200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111011221200223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1180973697 + ... + 1181067692.

It is an arithmetic number, because the mean of its divisors is an integer number (5742122619090).

Almost surely, 2^{111011221200222} is an apocalyptic number.

111011221200222 is an abundant number, since it is smaller than the sum of its proper divisors (164610664516098).

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

111011221200222 is a wasteful number, since it uses less digits than its factorization.

111011221200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362041777 (or 2362041774 counting only the distinct ones).

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

Adding to 111011221200222 its reverse (222002122110111), we get a palindrome (333013343310333).

The spelling of 111011221200222 in words is "one hundred eleven trillion, eleven billion, two hundred twenty-one million, two hundred thousand, two hundred twenty-two".