110040030243221 has 6 divisors (see below), whose sum is σ = 119155772393730. Its totient is φ = 101575412532048.

The previous prime is 110040030243197. The next prime is 110040030243251. The reversal of 110040030243221 is 122342030040011.

It can be written as a sum of positive squares in 3 ways, for example, as 1132125792196 + 108907904451025 = 1064014^2 + 10435895^2 .

It is not a de Polignac number, because 110040030243221 - 2²⁶ = 110039963134357 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 (110040030243251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 325562219486 + ... + 325562219823.

It is an arithmetic number, because the mean of its divisors is an integer number (19859295398955).

Almost surely, 2^{110040030243221} is an apocalyptic number.

It is an amenable number.

110040030243221 is a deficient number, since it is larger than the sum of its proper divisors (9115742150509).

110040030243221 is an equidigital number, since it uses as much as digits as its factorization.

110040030243221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651124439335 (or 651124439322 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 110040030243221 its reverse (122342030040011), we get a palindrome (232382060283232).

The spelling of 110040030243221 in words is "one hundred ten trillion, forty billion, thirty million, two hundred forty-three thousand, two hundred twenty-one".