10100230030021 has 2 divisors, whose sum is σ = 10100230030022. Its totient is φ = 10100230030020.

The previous prime is 10100230030013. The next prime is 10100230030027. The reversal of 10100230030021 is 12003003200101.

10100230030021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8660578008996 + 1439652021025 = 2942886^2 + 1199855^2 .

It is a cyclic number.

It is not a de Polignac number, because 10100230030021 - 2³ = 10100230030013 is a prime.

It is a super-2 number, since 2×10100230030021² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10100230029983 and 10100230030010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10100230030027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050115015010 + 5050115015011.

It is an arithmetic number, because the mean of its divisors is an integer number (5050115015011).

Almost surely, 2^{10100230030021} is an apocalyptic number.

It is an amenable number.

10100230030021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10100230030021 is an equidigital number, since it uses as much as digits as its factorization.

10100230030021 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 13.

Adding to 10100230030021 its reverse (12003003200101), we get a palindrome (22103233230122).

The spelling of 10100230030021 in words is "ten trillion, one hundred billion, two hundred thirty million, thirty thousand, twenty-one".