111222201010202 has 16 divisors (see below), whose sum is σ = 166890052493640. Its totient is φ = 55592186356032.

The previous prime is 111222201010177. The next prime is 111222201010237. The reversal of 111222201010202 is 202010102222111.

It can be written as a sum of positive squares in 4 ways, for example, as 111114557305921 + 107643704281 = 10541089^2 + 328091^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78263408 + ... + 79671860.

Almost surely, 2^{111222201010202} is an apocalyptic number.

111222201010202 is a deficient number, since it is larger than the sum of its proper divisors (55667851483438).

111222201010202 is a wasteful number, since it uses less digits than its factorization.

111222201010202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421857.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111222201010202 its reverse (202010102222111), we get a palindrome (313232303232313).

The spelling of 111222201010202 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred one million, ten thousand, two hundred two".