10212300121 has 2 divisors, whose sum is σ = 10212300122. Its totient is φ = 10212300120.

The previous prime is 10212300097. The next prime is 10212300151. The reversal of 10212300121 is 12100321201.

10212300121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9867640896 + 344659225 = 99336^2 + 18565^2 .

It is a cyclic number.

It is not a de Polignac number, because 10212300121 - 2⁵ = 10212300089 is a prime.

It is a super-2 number, since 2×10212300121² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10212300151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106150060 + 5106150061.

It is an arithmetic number, because the mean of its divisors is an integer number (5106150061).

Almost surely, 2^10212300121 is an apocalyptic number.

It is an amenable number.

10212300121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212300121 is an equidigital number, since it uses as much as digits as its factorization.

10212300121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10212300121 its reverse (12100321201), we get a palindrome (22312621322).

The spelling of 10212300121 in words is "ten billion, two hundred twelve million, three hundred thousand, one hundred twenty-one".