111220002002 has 8 divisors (see below), whose sum is σ = 166997337996. Its totient is φ = 55554222672.

The previous prime is 111220001989. The next prime is 111220002013. The reversal of 111220002002 is 200200022111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 99792178201 + 11427823801 = 315899^2 + 106901^2 .

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

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, 27886673 + ... + 27890660.

Almost surely, 2^111220002002 is an apocalyptic number.

111220002002 is a deficient number, since it is larger than the sum of its proper divisors (55777335994).

111220002002 is an equidigital number, since it uses as much as digits as its factorization.

111220002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55778332.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 111220002002 its reverse (200200022111), we get a palindrome (311420024113).

The spelling of 111220002002 in words is "one hundred eleven billion, two hundred twenty million, two thousand, two".