111222020222 has 16 divisors (see below), whose sum is σ = 176533171200. Its totient is φ = 52408278360.

The previous prime is 111222020201. The next prime is 111222020281. The reversal of 111222020222 is 222020222111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 111222020222.

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, 7654772 + ... + 7669287.

It is an arithmetic number, because the mean of its divisors is an integer number (11033323200).

Almost surely, 2^111222020222 is an apocalyptic number.

111222020222 is a deficient number, since it is larger than the sum of its proper divisors (65311150978).

111222020222 is a wasteful number, since it uses less digits than its factorization.

111222020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15324271.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 111222020222 its reverse (222020222111), we get a palindrome (333242242333).

It can be divided in two parts, 111 and 222020222, that multiplied together give a palindrome (24644244642).

The spelling of 111222020222 in words is "one hundred eleven billion, two hundred twenty-two million, twenty thousand, two hundred twenty-two".