121310130000103 has 16 divisors (see below), whose sum is σ = 133208901993600. Its totient is φ = 109557050813280.

The previous prime is 121310130000097. The next prime is 121310130000107. The reversal of 121310130000103 is 301000031013121.

It is a cyclic number.

It is not a de Polignac number, because 121310130000103 - 2¹⁷ = 121310129869031 is a prime.

It is a super-2 number, since 2×121310130000103² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121310130000107) 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, 10840813 + ... + 18977446.

It is an arithmetic number, because the mean of its divisors is an integer number (8325556374600).

Almost surely, 2^{121310130000103} is an apocalyptic number.

121310130000103 is a deficient number, since it is larger than the sum of its proper divisors (11898771993497).

121310130000103 is a wasteful number, since it uses less digits than its factorization.

121310130000103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29820702.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 121310130000103 its reverse (301000031013121), we get a palindrome (422310161013224).

The spelling of 121310130000103 in words is "one hundred twenty-one trillion, three hundred ten billion, one hundred thirty million, one hundred three", and thus it is an aban number.