111220102002 has 16 divisors (see below), whose sum is σ = 223226215200. Its totient is φ = 36942365472.

The previous prime is 111220101977. The next prime is 111220102013. The reversal of 111220102002 is 200201022111.

It is a super-2 number, since 2×111220102002² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 32748627 + ... + 32752022.

It is an arithmetic number, because the mean of its divisors is an integer number (13951638450).

Almost surely, 2^111220102002 is an apocalyptic number.

111220102002 is an abundant number, since it is smaller than the sum of its proper divisors (112006113198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111220102002 is a wasteful number, since it uses less digits than its factorization.

111220102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65500937.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 111220102002 its reverse (200201022111), we get a palindrome (311421124113).

The spelling of 111220102002 in words is "one hundred eleven billion, two hundred twenty million, one hundred two thousand, two".