111302012222 has 4 divisors (see below), whose sum is σ = 166953018336. Its totient is φ = 55651006110.

The previous prime is 111302012207. The next prime is 111302012243. The reversal of 111302012222 is 222210203111.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 111302012222.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 27825503054 + ... + 27825503057.

It is an arithmetic number, because the mean of its divisors is an integer number (41738254584).

Almost surely, 2^111302012222 is an apocalyptic number.

111302012222 is a deficient number, since it is larger than the sum of its proper divisors (55651006114).

111302012222 is an equidigital number, since it uses as much as digits as its factorization.

111302012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55651006113.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 111302012222 its reverse (222210203111), we get a palindrome (333512215333).

The spelling of 111302012222 in words is "one hundred eleven billion, three hundred two million, twelve thousand, two hundred twenty-two".