10113121103 has 16 divisors (see below), whose sum is σ = 10485043200. Its totient is φ = 9744179040.

The previous prime is 10113121097. The next prime is 10113121133. The reversal of 10113121103 is 30112131101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10113121103 - 2¹⁴ = 10113104719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10113121133) 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, 13796525 + ... + 13797257.

It is an arithmetic number, because the mean of its divisors is an integer number (655315200).

Almost surely, 2^10113121103 is an apocalyptic number.

10113121103 is a deficient number, since it is larger than the sum of its proper divisors (371922097).

10113121103 is an equidigital number, since it uses as much as digits as its factorization.

10113121103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 10113121103 its reverse (30112131101), we get a palindrome (40225252204).

The spelling of 10113121103 in words is "ten billion, one hundred thirteen million, one hundred twenty-one thousand, one hundred three".