121301231003 has 2 divisors, whose sum is σ = 121301231004. Its totient is φ = 121301231002.

The previous prime is 121301230957. The next prime is 121301231011. The reversal of 121301231003 is 300132103121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121301231003 is a prime.

It is not a weakly prime, because it can be changed into another prime (121301231063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60650615501 + 60650615502.

It is an arithmetic number, because the mean of its divisors is an integer number (60650615502).

Almost surely, 2^121301231003 is an apocalyptic number.

121301231003 is a deficient number, since it is larger than the sum of its proper divisors (1).

121301231003 is an equidigital number, since it uses as much as digits as its factorization.

121301231003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 121301231003 its reverse (300132103121), we get a palindrome (421433334124).

The spelling of 121301231003 in words is "one hundred twenty-one billion, three hundred one million, two hundred thirty-one thousand, three".