110220211221 has 8 divisors (see below), whose sum is σ = 147319599360. Its totient is φ = 73300481952.

The previous prime is 110220211151. The next prime is 110220211223. The reversal of 110220211221 is 122112022011.

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

It is a de Polignac number, because none of the positive numbers 2^k-110220211221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110220211221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110220211223) 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, 44913285 + ... + 44915738.

It is an arithmetic number, because the mean of its divisors is an integer number (18414949920).

Almost surely, 2^110220211221 is an apocalyptic number.

It is an amenable number.

110220211221 is a deficient number, since it is larger than the sum of its proper divisors (37099388139).

110220211221 is an equidigital number, since it uses as much as digits as its factorization.

110220211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89829435.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 110220211221 its reverse (122112022011), we get a palindrome (232332233232).

The spelling of 110220211221 in words is "one hundred ten billion, two hundred twenty million, two hundred eleven thousand, two hundred twenty-one".