121313000201 has 2 divisors, whose sum is σ = 121313000202. Its totient is φ = 121313000200.

The previous prime is 121313000191. The next prime is 121313000203. The reversal of 121313000201 is 102000313121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113635735801 + 7677264400 = 337099^2 + 87620^2 .

It is a cyclic number.

It is not a de Polignac number, because 121313000201 - 2¹⁴ = 121312983817 is a prime.

Together with 121313000203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121313000203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60656500100 + 60656500101.

It is an arithmetic number, because the mean of its divisors is an integer number (60656500101).

Almost surely, 2^121313000201 is an apocalyptic number.

It is an amenable number.

121313000201 is a deficient number, since it is larger than the sum of its proper divisors (1).

121313000201 is an equidigital number, since it uses as much as digits as its factorization.

121313000201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 121313000201 its reverse (102000313121), we get a palindrome (223313313322).

The spelling of 121313000201 in words is "one hundred twenty-one billion, three hundred thirteen million, two hundred one", and thus it is an aban number.