111021201022222 has 8 divisors (see below), whose sum is σ = 166531966725096. Its totient is φ = 55510545447192.

The previous prime is 111021201022187. The next prime is 111021201022253. The reversal of 111021201022222 is 222220102120111.

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

It is a self number, because there is not a number n which added to its sum of digits gives 111021201022222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24963768 + ... + 29072875.

It is an arithmetic number, because the mean of its divisors is an integer number (20816495840637).

Almost surely, 2^{111021201022222} is an apocalyptic number.

111021201022222 is a deficient number, since it is larger than the sum of its proper divisors (55510765702874).

111021201022222 is a wasteful number, since it uses less digits than its factorization.

111021201022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55063922.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 111021201022222 its reverse (222220102120111), we get a palindrome (333241303142333).

The spelling of 111021201022222 in words is "one hundred eleven trillion, twenty-one billion, two hundred one million, twenty-two thousand, two hundred twenty-two".