110222222221 has 8 divisors (see below), whose sum is σ = 110838531384. Its totient is φ = 109606379520.

The previous prime is 110222222197. The next prime is 110222222249. The reversal of 110222222221 is 122222222011.

It can be written as a sum of positive squares in 4 ways, for example, as 1609132996 + 108613089225 = 40114^2 + 329565^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 110222222221 - 2⁵ = 110222222189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110222222251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362781 + ... + 593341.

It is an arithmetic number, because the mean of its divisors is an integer number (13854816423).

Almost surely, 2^110222222221 is an apocalyptic number.

It is an amenable number.

110222222221 is a deficient number, since it is larger than the sum of its proper divisors (616309163).

110222222221 is a wasteful number, since it uses less digits than its factorization.

110222222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233231.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 110222222221 its reverse (122222222011), we get a palindrome (232444444232).

The spelling of 110222222221 in words is "one hundred ten billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty-one".