111222220202 has 16 divisors (see below), whose sum is σ = 167203999872. Its totient is φ = 55487606160.

The previous prime is 111222220189. The next prime is 111222220229. The reversal of 111222220202 is 202022222111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5453408 + ... + 5473764.

It is an arithmetic number, because the mean of its divisors is an integer number (10450249992).

Almost surely, 2^111222220202 is an apocalyptic number.

111222220202 is a deficient number, since it is larger than the sum of its proper divisors (55981779670).

111222220202 is a wasteful number, since it uses less digits than its factorization.

111222220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26293.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 111222220202 its reverse (202022222111), we get a palindrome (313244442313).

The spelling of 111222220202 in words is "one hundred eleven billion, two hundred twenty-two million, two hundred twenty thousand, two hundred two".