111000221022 has 64 divisors (see below), whose sum is σ = 236070927360. Its totient is φ = 34673992704.

The previous prime is 111000221009. The next prime is 111000221023. The reversal of 111000221022 is 220122000111.

It is a junction number, because it is equal to n+sod(n) for n = 111000220989 and 111000221007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111000221023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46578843 + ... + 46581225.

It is an arithmetic number, because the mean of its divisors is an integer number (3688608240).

Almost surely, 2^111000221022 is an apocalyptic number.

111000221022 is an abundant number, since it is smaller than the sum of its proper divisors (125070706338).

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

111000221022 is a wasteful number, since it uses less digits than its factorization.

111000221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4177.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 111000221022 its reverse (220122000111), we get a palindrome (331122221133).

The spelling of 111000221022 in words is "one hundred eleven billion, two hundred twenty-one thousand, twenty-two".