121241010313 has 2 divisors, whose sum is σ = 121241010314. Its totient is φ = 121241010312.

The previous prime is 121241010287. The next prime is 121241010421. The reversal of 121241010313 is 313010142121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119832284224 + 1408726089 = 346168^2 + 37533^2 .

It is a cyclic number.

It is not a de Polignac number, because 121241010313 - 2²¹ = 121238913161 is a prime.

It is not a weakly prime, because it can be changed into another prime (121241010113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60620505156 + 60620505157.

It is an arithmetic number, because the mean of its divisors is an integer number (60620505157).

Almost surely, 2^121241010313 is an apocalyptic number.

It is an amenable number.

121241010313 is a deficient number, since it is larger than the sum of its proper divisors (1).

121241010313 is an equidigital number, since it uses as much as digits as its factorization.

121241010313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 121241010313 its reverse (313010142121), we get a palindrome (434251152434).

The spelling of 121241010313 in words is "one hundred twenty-one billion, two hundred forty-one million, ten thousand, three hundred thirteen".