111021311222 has 8 divisors (see below), whose sum is σ = 176327964936. Its totient is φ = 52245322912.

The previous prime is 111021311183. The next prime is 111021311227. The reversal of 111021311222 is 222113120111.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 111021311222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111021311227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1632666308 + ... + 1632666375.

It is an arithmetic number, because the mean of its divisors is an integer number (22040995617).

Almost surely, 2^111021311222 is an apocalyptic number.

111021311222 is a deficient number, since it is larger than the sum of its proper divisors (65306653714).

111021311222 is a wasteful number, since it uses less digits than its factorization.

111021311222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265332702.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111021311222 its reverse (222113120111), we get a palindrome (333134431333).

The spelling of 111021311222 in words is "one hundred eleven billion, twenty-one million, three hundred eleven thousand, two hundred twenty-two".