111312223221103 has 4 divisors (see below), whose sum is σ = 111978763480080. Its totient is φ = 110645682962128.

The previous prime is 111312223221079. The next prime is 111312223221211. The reversal of 111312223221103 is 301122322213111.

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

It is a cyclic number.

It is not a de Polignac number, because 111312223221103 - 2⁴¹ = 109113199965551 is a prime.

It is a super-2 number, since 2×111312223221103² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111312227221103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333270129238 + ... + 333270129571.

It is an arithmetic number, because the mean of its divisors is an integer number (27994690870020).

Almost surely, 2^{111312223221103} is an apocalyptic number.

111312223221103 is a deficient number, since it is larger than the sum of its proper divisors (666540258977).

111312223221103 is an equidigital number, since it uses as much as digits as its factorization.

111312223221103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666540258976.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 111312223221103 its reverse (301122322213111), we get a palindrome (412434545434214).

The spelling of 111312223221103 in words is "one hundred eleven trillion, three hundred twelve billion, two hundred twenty-three million, two hundred twenty-one thousand, one hundred three".