111011122012222 has 8 divisors (see below), whose sum is σ = 166517871494400. Its totient is φ = 55505164847424.

The previous prime is 111011122012177. The next prime is 111011122012243. The reversal of 111011122012222 is 222210221110111.

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 111011122012222.

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, 197728947 + ... + 198289582.

It is an arithmetic number, because the mean of its divisors is an integer number (20814733936800).

Almost surely, 2^{111011122012222} is an apocalyptic number.

111011122012222 is a deficient number, since it is larger than the sum of its proper divisors (55506749482178).

111011122012222 is a wasteful number, since it uses less digits than its factorization.

111011122012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396158690.

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

Adding to 111011122012222 its reverse (222210221110111), we get a palindrome (333221343122333).

The spelling of 111011122012222 in words is "one hundred eleven trillion, eleven billion, one hundred twenty-two million, twelve thousand, two hundred twenty-two".