103121211301 has 2 divisors, whose sum is σ = 103121211302. Its totient is φ = 103121211300.

The previous prime is 103121211299. The next prime is 103121211407. The reversal of 103121211301 is 103112121301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87645602500 + 15475608801 = 296050^2 + 124401^2 .

It is a cyclic number.

It is not a de Polignac number, because 103121211301 - 2¹ = 103121211299 is a prime.

It is a super-2 number, since 2×103121211301² (a number of 23 digits) contains 22 as substring.

Together with 103121211299, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103121211001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51560605650 + 51560605651.

It is an arithmetic number, because the mean of its divisors is an integer number (51560605651).

Almost surely, 2^103121211301 is an apocalyptic number.

It is an amenable number.

103121211301 is a deficient number, since it is larger than the sum of its proper divisors (1).

103121211301 is an equidigital number, since it uses as much as digits as its factorization.

103121211301 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 16.

Adding to 103121211301 its reverse (103112121301), we get a palindrome (206233332602).

The spelling of 103121211301 in words is "one hundred three billion, one hundred twenty-one million, two hundred eleven thousand, three hundred one".