110222211221 has 4 divisors (see below), whose sum is σ = 110224413600. Its totient is φ = 110220008844.

The previous prime is 110222211217. The next prime is 110222211241. The reversal of 110222211221 is 122112222011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 110222211221 - 2² = 110222211217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110222211221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110222211241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1024331 + ... + 1126808.

It is an arithmetic number, because the mean of its divisors is an integer number (27556103400).

Almost surely, 2^110222211221 is an apocalyptic number.

It is an amenable number.

110222211221 is a deficient number, since it is larger than the sum of its proper divisors (2202379).

110222211221 is an equidigital number, since it uses as much as digits as its factorization.

110222211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202378.

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

Adding to 110222211221 its reverse (122112222011), we get a palindrome (232334433232).

The spelling of 110222211221 in words is "one hundred ten billion, two hundred twenty-two million, two hundred eleven thousand, two hundred twenty-one".