110221121123 has 4 divisors (see below), whose sum is σ = 110237174160. Its totient is φ = 110205068088.

The previous prime is 110221121117. The next prime is 110221121159. The reversal of 110221121123 is 321121122011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321121122011 = 6863 ⋅46790197.

It is a cyclic number.

It is not a de Polignac number, because 110221121123 - 2¹⁶ = 110221055587 is a prime.

It is a super-2 number, since 2×110221121123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110221121323) 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, 8016215 + ... + 8029952.

It is an arithmetic number, because the mean of its divisors is an integer number (27559293540).

Almost surely, 2^110221121123 is an apocalyptic number.

110221121123 is a deficient number, since it is larger than the sum of its proper divisors (16053037).

110221121123 is an equidigital number, since it uses as much as digits as its factorization.

110221121123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16053036.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 110221121123 its reverse (321121122011), we get a palindrome (431342243134).

The spelling of 110221121123 in words is "one hundred ten billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred twenty-three".