111211012222 has 8 divisors (see below), whose sum is σ = 166846521816. Its totient is φ = 55595504952.

The previous prime is 111211012207. The next prime is 111211012261. The reversal of 111211012222 is 222210112111.

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

It is a junction number, because it is equal to n+sod(n) for n = 111211012196 and 111211012205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4986673 + ... + 5008924.

It is an arithmetic number, because the mean of its divisors is an integer number (20855815227).

Almost surely, 2^111211012222 is an apocalyptic number.

111211012222 is a deficient number, since it is larger than the sum of its proper divisors (55635509594).

111211012222 is an equidigital number, since it uses as much as digits as its factorization.

111211012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10001162.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111211012222 its reverse (222210112111), we get a palindrome (333421124333).

The spelling of 111211012222 in words is "one hundred eleven billion, two hundred eleven million, twelve thousand, two hundred twenty-two".