11110221122123 has 4 divisors (see below), whose sum is σ = 11110229952360. Its totient is φ = 11110212291888.

The previous prime is 11110221122059. The next prime is 11110221122173. The reversal of 11110221122123 is 32122112201111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11110221122123 - 2⁶ = 11110221122059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11110221122095 and 11110221122104.

It is not an unprimeable number, because it can be changed into a prime (11110221122173) 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, 2135465 + ... + 5175002.

It is an arithmetic number, because the mean of its divisors is an integer number (2777557488090).

Almost surely, 2^{11110221122123} is an apocalyptic number.

11110221122123 is a deficient number, since it is larger than the sum of its proper divisors (8830237).

11110221122123 is an equidigital number, since it uses as much as digits as its factorization.

11110221122123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8830236.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 11110221122123 its reverse (32122112201111), we get a palindrome (43232333323234).

The spelling of 11110221122123 in words is "eleven trillion, one hundred ten billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred twenty-three".