111122121001103 has 4 divisors (see below), whose sum is σ = 111369609021600. Its totient is φ = 110874632980608.

The previous prime is 111122121001097. The next prime is 111122121001139. The reversal of 111122121001103 is 301100121221111.

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 111122121001103 - 2⁶ = 111122121001039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122121001183) 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, 123744009575 + ... + 123744010472.

It is an arithmetic number, because the mean of its divisors is an integer number (27842402255400).

Almost surely, 2^{111122121001103} is an apocalyptic number.

111122121001103 is a deficient number, since it is larger than the sum of its proper divisors (247488020497).

111122121001103 is an equidigital number, since it uses as much as digits as its factorization.

111122121001103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247488020496.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 111122121001103 its reverse (301100121221111), we get a palindrome (412222242222214).

The spelling of 111122121001103 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred twenty-one million, one thousand, one hundred three".