103303121111 has 16 divisors (see below), whose sum is σ = 110810143584. Its totient is φ = 95957412864.

The previous prime is 103303121107. The next prime is 103303121123. The reversal of 103303121111 is 111121303301.

It is not a de Polignac number, because 103303121111 - 2² = 103303121107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 103303121111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103303121101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1370051 + ... + 1443483.

It is an arithmetic number, because the mean of its divisors is an integer number (6925633974).

Almost surely, 2^103303121111 is an apocalyptic number.

103303121111 is a deficient number, since it is larger than the sum of its proper divisors (7507022473).

103303121111 is an equidigital number, since it uses as much as digits as its factorization.

103303121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74530.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 103303121111 its reverse (111121303301), we get a palindrome (214424424412).

The spelling of 103303121111 in words is "one hundred three billion, three hundred three million, one hundred twenty-one thousand, one hundred eleven".