221112202 has 16 divisors (see below), whose sum is σ = 346980672. Its totient is φ = 105476800.

The previous prime is 221112191. The next prime is 221112239. The reversal of 221112202 is 202211122.

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, 12453 + ... + 24439.

It is an arithmetic number, because the mean of its divisors is an integer number (21686292).

Almost surely, 2^221112202 is an apocalyptic number.

221112202 is a deficient number, since it is larger than the sum of its proper divisors (125868470).

221112202 is a wasteful number, since it uses less digits than its factorization.

221112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12413.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 221112202 is about 14869.8420300957. The cubic root of 221112202 is about 604.6966600829.

Adding to 221112202 its reverse (202211122), we get a palindrome (423323324).

The spelling of 221112202 in words is "two hundred twenty-one million, one hundred twelve thousand, two hundred two".