111000221002 has 32 divisors (see below), whose sum is σ = 185101977600. Its totient is φ = 49495657200.

The previous prime is 111000220997. The next prime is 111000221009. The reversal of 111000221002 is 200122000111.

It is a self number, because there is not a number n which added to its sum of digits gives 111000221002.

It is not an unprimeable number, because it can be changed into a prime (111000221009) 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 15 ways as a sum of consecutive naturals, for example, 532477 + ... + 711007.

It is an arithmetic number, because the mean of its divisors is an integer number (5784436800).

Almost surely, 2^111000221002 is an apocalyptic number.

111000221002 is a deficient number, since it is larger than the sum of its proper divisors (74101756598).

111000221002 is a wasteful number, since it uses less digits than its factorization.

111000221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179082.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 111000221002 its reverse (200122000111), we get a palindrome (311122221113).

The spelling of 111000221002 in words is "one hundred eleven billion, two hundred twenty-one thousand, two".