110551410221 has 6 divisors (see below), whose sum is σ = 128600620110. Its totient is φ = 94758351576.

The previous prime is 110551410157. The next prime is 110551410239. The reversal of 110551410221 is 122014155011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 70476975625 + 40074434596 = 265475^2 + 200186^2 .

It is not a de Polignac number, because 110551410221 - 2⁶ = 110551410157 is a prime.

It is a super-2 number, since 2×110551410221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110551410241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1128075566 + ... + 1128075663.

It is an arithmetic number, because the mean of its divisors is an integer number (21433436685).

Almost surely, 2^110551410221 is an apocalyptic number.

It is an amenable number.

110551410221 is a deficient number, since it is larger than the sum of its proper divisors (18049209889).

110551410221 is an equidigital number, since it uses as much as digits as its factorization.

110551410221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256151243 (or 2256151236 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 23.

Adding to 110551410221 its reverse (122014155011), we get a palindrome (232565565232).

The spelling of 110551410221 in words is "one hundred ten billion, five hundred fifty-one million, four hundred ten thousand, two hundred twenty-one".