110100110221 has 2 divisors, whose sum is σ = 110100110222. Its totient is φ = 110100110220.

The previous prime is 110100110191. The next prime is 110100110231. The reversal of 110100110221 is 122011001011.

It is an a-pointer prime, because the next prime (110100110231) can be obtained adding 110100110221 to its sum of digits (10).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101499588100 + 8600522121 = 318590^2 + 92739^2 .

It is an emirp because it is prime and its reverse (122011001011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110100110221 - 2⁵ = 110100110189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110100110198 and 110100110207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110100110231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55050055110 + 55050055111.

It is an arithmetic number, because the mean of its divisors is an integer number (55050055111).

Almost surely, 2^110100110221 is an apocalyptic number.

It is an amenable number.

110100110221 is a deficient number, since it is larger than the sum of its proper divisors (1).

110100110221 is an equidigital number, since it uses as much as digits as its factorization.

110100110221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 110100110221 its reverse (122011001011), we get a palindrome (232111111232).

The spelling of 110100110221 in words is "one hundred ten billion, one hundred million, one hundred ten thousand, two hundred twenty-one".