111221110022 has 32 divisors (see below), whose sum is σ = 183243924864. Its totient is φ = 50210193600.

The previous prime is 111221110003. The next prime is 111221110031. The reversal of 111221110022 is 220011122111.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 111221109979 and 111221110006.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1868573 + ... + 1927175.

It is an arithmetic number, because the mean of its divisors is an integer number (5726372652).

Almost surely, 2^111221110022 is an apocalyptic number.

111221110022 is a deficient number, since it is larger than the sum of its proper divisors (72022814842).

111221110022 is a wasteful number, since it uses less digits than its factorization.

111221110022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59204.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111221110022 its reverse (220011122111), we get a palindrome (331232232133).

The spelling of 111221110022 in words is "one hundred eleven billion, two hundred twenty-one million, one hundred ten thousand, twenty-two".