111110012012222 has 16 divisors (see below), whose sum is σ = 166743336134544. Its totient is φ = 55528902000000.

The previous prime is 111110012012189. The next prime is 111110012012287. The reversal of 111110012012222 is 222210210011111.

It is a super-2 number, since 2×111110012012222² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111110012012222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111737222 + ... + 112727222.

It is an arithmetic number, because the mean of its divisors is an integer number (10421458508409).

Almost surely, 2^{111110012012222} is an apocalyptic number.

111110012012222 is a deficient number, since it is larger than the sum of its proper divisors (55633324122322).

111110012012222 is a wasteful number, since it uses less digits than its factorization.

111110012012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016315.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111110012012222 its reverse (222210210011111), we get a palindrome (333320222023333).

The spelling of 111110012012222 in words is "one hundred eleven trillion, one hundred ten billion, twelve million, twelve thousand, two hundred twenty-two".