111222002002 has 24 divisors (see below), whose sum is σ = 180227837520. Its totient is φ = 51452635200.

The previous prime is 111222001981. The next prime is 111222002009. The reversal of 111222002002 is 200200222111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (111222002009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1596624 + ... + 1664827.

It is an arithmetic number, because the mean of its divisors is an integer number (7509493230).

Almost surely, 2^111222002002 is an apocalyptic number.

111222002002 is a deficient number, since it is larger than the sum of its proper divisors (69005835518).

111222002002 is a wasteful number, since it uses less digits than its factorization.

111222002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3261546 (or 3261529 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 111222002002 its reverse (200200222111), we get a palindrome (311422224113).

The spelling of 111222002002 in words is "one hundred eleven billion, two hundred twenty-two million, two thousand, two".