221111221200022 has 8 divisors (see below), whose sum is σ = 349122980842200. Its totient is φ = 104736894252624.

The previous prime is 221111221200017. The next prime is 221111221200047. The reversal of 221111221200022 is 220002122111122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2909358173647 + ... + 2909358173722.

It is an arithmetic number, because the mean of its divisors is an integer number (43640372605275).

Almost surely, 2^{221111221200022} is an apocalyptic number.

221111221200022 is a deficient number, since it is larger than the sum of its proper divisors (128011759642178).

221111221200022 is a wasteful number, since it uses less digits than its factorization.

221111221200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5818716347390.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 221111221200022 its reverse (220002122111122), we get a palindrome (441113343311144).

The spelling of 221111221200022 in words is "two hundred twenty-one trillion, one hundred eleven billion, two hundred twenty-one million, two hundred thousand, twenty-two".