10203133303021 has 2 divisors, whose sum is σ = 10203133303022. Its totient is φ = 10203133303020.

The previous prime is 10203133303001. The next prime is 10203133303043. The reversal of 10203133303021 is 12030333130201.

10203133303021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (10203133303043) can be obtained adding 10203133303021 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9990271026121 + 212862276900 = 3160739^2 + 461370^2 .

It is a cyclic number.

It is not a de Polignac number, because 10203133303021 - 2⁷ = 10203133302893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10203133302983 and 10203133303001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10203133303001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101566651510 + 5101566651511.

It is an arithmetic number, because the mean of its divisors is an integer number (5101566651511).

Almost surely, 2^{10203133303021} is an apocalyptic number.

It is an amenable number.

10203133303021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10203133303021 is an equidigital number, since it uses as much as digits as its factorization.

10203133303021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 10203133303021 its reverse (12030333130201), we get a palindrome (22233466433222).

The spelling of 10203133303021 in words is "ten trillion, two hundred three billion, one hundred thirty-three million, three hundred three thousand, twenty-one".