10203121023301 has 2 divisors, whose sum is σ = 10203121023302. Its totient is φ = 10203121023300.

The previous prime is 10203121023299. The next prime is 10203121023311. The reversal of 10203121023301 is 10332012130201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10155279960225 + 47841063076 = 3186735^2 + 218726^2 .

It is a cyclic number.

It is not a de Polignac number, because 10203121023301 - 2¹ = 10203121023299 is a prime.

It is a super-2 number, since 2×10203121023301² (a number of 27 digits) contains 22 as substring.

Together with 10203121023299, 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 (10203121023311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101560511650 + 5101560511651.

It is an arithmetic number, because the mean of its divisors is an integer number (5101560511651).

Almost surely, 2^{10203121023301} is an apocalyptic number.

It is an amenable number.

10203121023301 is a deficient number, since it is larger than the sum of its proper divisors (1).

10203121023301 is an equidigital number, since it uses as much as digits as its factorization.

10203121023301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10203121023301 its reverse (10332012130201), we get a palindrome (20535133153502).

The spelling of 10203121023301 in words is "ten trillion, two hundred three billion, one hundred twenty-one million, twenty-three thousand, three hundred one".