121134000203 has 4 divisors (see below), whose sum is σ = 126400695888. Its totient is φ = 115867304520.

The previous prime is 121134000199. The next prime is 121134000241. The reversal of 121134000203 is 302000431121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121134000203 - 2² = 121134000199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121134000283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2633347808 + ... + 2633347853.

It is an arithmetic number, because the mean of its divisors is an integer number (31600173972).

Almost surely, 2^121134000203 is an apocalyptic number.

121134000203 is a deficient number, since it is larger than the sum of its proper divisors (5266695685).

121134000203 is an equidigital number, since it uses as much as digits as its factorization.

121134000203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5266695684.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 121134000203 its reverse (302000431121), we get a palindrome (423134431324).

The spelling of 121134000203 in words is "one hundred twenty-one billion, one hundred thirty-four million, two hundred three", and thus it is an aban number.