1103120120103 has 8 divisors (see below), whose sum is σ = 1506700652016. Its totient is φ = 717476500800.

The previous prime is 1103120120057. The next prime is 1103120120107. The reversal of 1103120120103 is 3010210213011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1103120120103 - 2²² = 1103115925799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103120120107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4484228008 + ... + 4484228253.

It is an arithmetic number, because the mean of its divisors is an integer number (188337581502).

Almost surely, 2^{1103120120103} is an apocalyptic number.

1103120120103 is a deficient number, since it is larger than the sum of its proper divisors (403580531913).

1103120120103 is an equidigital number, since it uses as much as digits as its factorization.

1103120120103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8968456305.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1103120120103 its reverse (3010210213011), we get a palindrome (4113330333114).

The spelling of 1103120120103 in words is "one trillion, one hundred three billion, one hundred twenty million, one hundred twenty thousand, one hundred three".