111120222221111 has 8 divisors (see below), whose sum is σ = 112228507155024. Its totient is φ = 110012095811200.

The previous prime is 111120222221087. The next prime is 111120222221123. The reversal of 111120222221111 is 111122222021111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111120222221111 - 2³⁸ = 110845344314167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111120222227111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38221826 + ... + 41026191.

It is an arithmetic number, because the mean of its divisors is an integer number (14028563394378).

Almost surely, 2^{111120222221111} is an apocalyptic number.

111120222221111 is a deficient number, since it is larger than the sum of its proper divisors (1108284933913).

111120222221111 is a wasteful number, since it uses less digits than its factorization.

111120222221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79262001.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 111120222221111 its reverse (111122222021111), we get a palindrome (222242444242222).

The spelling of 111120222221111 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred eleven".