1110220321123 has 4 divisors (see below), whose sum is σ = 1112343113848. Its totient is φ = 1108097528400.

The previous prime is 1110220321099. The next prime is 1110220321129. The reversal of 1110220321123 is 3211230220111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1110220321123 is a prime.

It is a super-2 number, since 2×1110220321123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1110220321123.

It is not an unprimeable number, because it can be changed into a prime (1110220321129) 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, 1061395578 + ... + 1061396623.

It is an arithmetic number, because the mean of its divisors is an integer number (278085778462).

Almost surely, 2^{1110220321123} is an apocalyptic number.

1110220321123 is a deficient number, since it is larger than the sum of its proper divisors (2122792725).

1110220321123 is an equidigital number, since it uses as much as digits as its factorization.

1110220321123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122792724.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1110220321123 its reverse (3211230220111), we get a palindrome (4321450541234).

The spelling of 1110220321123 in words is "one trillion, one hundred ten billion, two hundred twenty million, three hundred twenty-one thousand, one hundred twenty-three".