110221003121 has 4 divisors (see below), whose sum is σ = 115013220672. Its totient is φ = 105428785572.

The previous prime is 110221003111. The next prime is 110221003127. The reversal of 110221003121 is 121300122011.

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, and also an emirpimes, since its reverse is a distinct semiprime: 121300122011 = 73 ⋅1661645507.

It is a cyclic number.

It is not a de Polignac number, because 110221003121 - 2¹⁸ = 110220740977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110221003096 and 110221003105.

It is not an unprimeable number, because it can be changed into a prime (110221003127) 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 3 ways as a sum of consecutive naturals, for example, 2396108741 + ... + 2396108786.

It is an arithmetic number, because the mean of its divisors is an integer number (28753305168).

Almost surely, 2^110221003121 is an apocalyptic number.

It is an amenable number.

110221003121 is a deficient number, since it is larger than the sum of its proper divisors (4792217551).

110221003121 is an equidigital number, since it uses as much as digits as its factorization.

110221003121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4792217550.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 110221003121 its reverse (121300122011), we get a palindrome (231521125132).

The spelling of 110221003121 in words is "one hundred ten billion, two hundred twenty-one million, three thousand, one hundred twenty-one".