221111110022 has 8 divisors (see below), whose sum is σ = 361818180072. Its totient is φ = 100505050000.

The previous prime is 221111110019. The next prime is 221111110067. The reversal of 221111110022 is 220011111122.

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

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 221111109979 and 221111110006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5025252479 + ... + 5025252522.

It is an arithmetic number, because the mean of its divisors is an integer number (45227272509).

Almost surely, 2^221111110022 is an apocalyptic number.

221111110022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221111110022 is a deficient number, since it is larger than the sum of its proper divisors (140707070050).

221111110022 is a wasteful number, since it uses less digits than its factorization.

221111110022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10050505014.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 221111110022 its reverse (220011111122), we get a palindrome (441122221144).

It can be divided in two parts, 2211111100 and 22, that added together give a palindrome (2211111122).

The spelling of 221111110022 in words is "two hundred twenty-one billion, one hundred eleven million, one hundred ten thousand, twenty-two".