111222211210022 has 12 divisors (see below), whose sum is σ = 183378769722708. Its totient is φ = 50555550549900.

The previous prime is 111222211210013. The next prime is 111222211210051. The reversal of 111222211210022 is 220012112222111.

It is a junction number, because it is equal to n+sod(n) for n = 111222211209976 and 111222211210003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 229797956804 + ... + 229797957287.

It is an arithmetic number, because the mean of its divisors is an integer number (15281564143559).

Almost surely, 2^{111222211210022} is an apocalyptic number.

111222211210022 is a deficient number, since it is larger than the sum of its proper divisors (72156558512686).

111222211210022 is a wasteful number, since it uses less digits than its factorization.

111222211210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459595914115 (or 459595914104 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 111222211210022 its reverse (220012112222111), we get a palindrome (331234323432133).

The spelling of 111222211210022 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred eleven million, two hundred ten thousand, twenty-two".