221112200222 has 4 divisors (see below), whose sum is σ = 331668300336. Its totient is φ = 110556100110.

The previous prime is 221112200219. The next prime is 221112200233. The reversal of 221112200222 is 222002211122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 221112200222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55278050054 + ... + 55278050057.

It is an arithmetic number, because the mean of its divisors is an integer number (82917075084).

Almost surely, 2^221112200222 is an apocalyptic number.

221112200222 is a deficient number, since it is larger than the sum of its proper divisors (110556100114).

221112200222 is a wasteful number, since it uses less digits than its factorization.

221112200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110556100113.

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

Adding to 221112200222 its reverse (222002211122), we get a palindrome (443114411344).

The spelling of 221112200222 in words is "two hundred twenty-one billion, one hundred twelve million, two hundred thousand, two hundred twenty-two".