222011100011222 has 4 divisors (see below), whose sum is σ = 333016650016836. Its totient is φ = 111005550005610.

The previous prime is 222011100011219. The next prime is 222011100011249. The reversal of 222011100011222 is 222110001110222.

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

It is a self number, because there is not a number n which added to its sum of digits gives 222011100011222.

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, 55502775002804 + ... + 55502775002807.

It is an arithmetic number, because the mean of its divisors is an integer number (83254162504209).

Almost surely, 2^{222011100011222} is an apocalyptic number.

222011100011222 is a deficient number, since it is larger than the sum of its proper divisors (111005550005614).

222011100011222 is a wasteful number, since it uses less digits than its factorization.

222011100011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111005550005613.

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

Adding to 222011100011222 its reverse (222110001110222), we get a palindrome (444121101121444).

The spelling of 222011100011222 in words is "two hundred twenty-two trillion, eleven billion, one hundred million, eleven thousand, two hundred twenty-two".