121130203 has 2 divisors, whose sum is σ = 121130204. Its totient is φ = 121130202.

The previous prime is 121130159. The next prime is 121130221. The reversal of 121130203 is 302031121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121130203 - 2⁹ = 121129691 is a prime.

It is not a weakly prime, because it can be changed into another prime (121130003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60565101 + 60565102.

It is an arithmetic number, because the mean of its divisors is an integer number (60565102).

Almost surely, 2^121130203 is an apocalyptic number.

121130203 is a deficient number, since it is larger than the sum of its proper divisors (1).

121130203 is an equidigital number, since it uses as much as digits as its factorization.

121130203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 121130203 is about 11005.9167269247. The cubic root of 121130203 is about 494.7860899362.

Adding to 121130203 its reverse (302031121), we get a palindrome (423161324).

The spelling of 121130203 in words is "one hundred twenty-one million, one hundred thirty thousand, two hundred three".