111012221011222 has 8 divisors (see below), whose sum is σ = 166557319666272. Its totient is φ = 55493114455800.

The previous prime is 111012221011169. The next prime is 111012221011249. The reversal of 111012221011222 is 222110122210111.

It is a happy number.

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 111012221011222.

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, 6498014229 + ... + 6498031312.

It is an arithmetic number, because the mean of its divisors is an integer number (20819664958284).

Almost surely, 2^{111012221011222} is an apocalyptic number.

111012221011222 is a deficient number, since it is larger than the sum of its proper divisors (55545098655050).

111012221011222 is a wasteful number, since it uses less digits than its factorization.

111012221011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12996049814.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111012221011222 its reverse (222110122210111), we get a palindrome (333122343221333).

The spelling of 111012221011222 in words is "one hundred eleven trillion, twelve billion, two hundred twenty-one million, eleven thousand, two hundred twenty-two".