110121110203 has 4 divisors (see below), whose sum is σ = 118591964848. Its totient is φ = 101650255560.

The previous prime is 110121110173. The next prime is 110121110219. The reversal of 110121110203 is 302011121011.

It is a happy number.

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-110121110203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 8470854631 = 110121110203 / (1 + 1 + 0 + 1 + 2 + 1 + 1 + 1 + 0 + 2 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110121114203) 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, 4235427303 + ... + 4235427328.

It is an arithmetic number, because the mean of its divisors is an integer number (29647991212).

Almost surely, 2^110121110203 is an apocalyptic number.

110121110203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

110121110203 is a deficient number, since it is larger than the sum of its proper divisors (8470854645).

110121110203 is an equidigital number, since it uses as much as digits as its factorization.

110121110203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8470854644.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 110121110203 its reverse (302011121011), we get a palindrome (412132231214).

The spelling of 110121110203 in words is "one hundred ten billion, one hundred twenty-one million, one hundred ten thousand, two hundred three".