111221220202202 has 16 divisors (see below), whose sum is σ = 181998541494432. Its totient is φ = 50555049768720.

The previous prime is 111221220202189. The next prime is 111221220202207. The reversal of 111221220202202 is 202202022122111.

It is not an unprimeable number, because it can be changed into a prime (111221220202207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28685873 + ... + 32331435.

It is an arithmetic number, because the mean of its divisors is an integer number (11374908843402).

Almost surely, 2^{111221220202202} is an apocalyptic number.

111221220202202 is a deficient number, since it is larger than the sum of its proper divisors (70777321292230).

111221220202202 is a wasteful number, since it uses less digits than its factorization.

111221220202202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5032333.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 111221220202202 its reverse (202202022122111), we get a palindrome (313423242324313).

The spelling of 111221220202202 in words is "one hundred eleven trillion, two hundred twenty-one billion, two hundred twenty million, two hundred two thousand, two hundred two".