111200021221222 has 8 divisors (see below), whose sum is σ = 170868325291272. Its totient is φ = 54243912790800.

The previous prime is 111200021221217. The next prime is 111200021221229. The reversal of 111200021221222 is 222122120002111.

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 111200021221222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111200021221229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678048909804 + ... + 678048909967.

It is an arithmetic number, because the mean of its divisors is an integer number (21358540661409).

Almost surely, 2^{111200021221222} is an apocalyptic number.

111200021221222 is a deficient number, since it is larger than the sum of its proper divisors (59668304070050).

111200021221222 is a wasteful number, since it uses less digits than its factorization.

111200021221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356097819814.

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

Adding to 111200021221222 its reverse (222122120002111), we get a palindrome (333322141223333).

The spelling of 111200021221222 in words is "one hundred eleven trillion, two hundred billion, twenty-one million, two hundred twenty-one thousand, two hundred twenty-two".