121000000000103 has 16 divisors (see below), whose sum is σ = 150583354944000. Its totient is φ = 94867513608672.

The previous prime is 121000000000057. The next prime is 121000000000109. The reversal of 121000000000103 is 301000000000121.

It is not a de Polignac number, because 121000000000103 - 2³⁰ = 120998926258279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000000000109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15685762283 + ... + 15685769996.

It is an arithmetic number, because the mean of its divisors is an integer number (9411459684000).

Almost surely, 2^{121000000000103} is an apocalyptic number.

121000000000103 is a deficient number, since it is larger than the sum of its proper divisors (29583354943897).

121000000000103 is a wasteful number, since it uses less digits than its factorization.

121000000000103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31371532334.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 121000000000103 its reverse (301000000000121), we get a palindrome (422000000000224).

The spelling of 121000000000103 in words is "one hundred twenty-one trillion, one hundred three", and thus it is an aban number.