111405222202 has 16 divisors (see below), whose sum is σ = 168787274400. Its totient is φ = 55142960400.

The previous prime is 111405222191. The next prime is 111405222211. The reversal of 111405222202 is 202222504111.

It is a super-2 number, since 2×111405222202² (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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1469749 + ... + 1543687.

It is an arithmetic number, because the mean of its divisors is an integer number (10549204650).

Almost surely, 2^111405222202 is an apocalyptic number.

111405222202 is a deficient number, since it is larger than the sum of its proper divisors (57382052198).

111405222202 is a wasteful number, since it uses less digits than its factorization.

111405222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81501.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 111405222202 its reverse (202222504111), we get a palindrome (313627726313).

The spelling of 111405222202 in words is "one hundred eleven billion, four hundred five million, two hundred twenty-two thousand, two hundred two".