10210011122021 has 2 divisors, whose sum is σ = 10210011122022. Its totient is φ = 10210011122020.

The previous prime is 10210011121987. The next prime is 10210011122057. The reversal of 10210011122021 is 12022111001201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8692113201121 + 1517897920900 = 2948239^2 + 1232030^2 .

It is a cyclic number.

It is not a de Polignac number, because 10210011122021 - 2¹⁰ = 10210011120997 is a prime.

It is a super-2 number, since 2×10210011122021² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10210011121987 and 10210011122005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10210011152021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105005561010 + 5105005561011.

It is an arithmetic number, because the mean of its divisors is an integer number (5105005561011).

Almost surely, 2^{10210011122021} is an apocalyptic number.

It is an amenable number.

10210011122021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10210011122021 is an equidigital number, since it uses as much as digits as its factorization.

10210011122021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10210011122021 its reverse (12022111001201), we get a palindrome (22232122123222).

The spelling of 10210011122021 in words is "ten trillion, two hundred ten billion, eleven million, one hundred twenty-two thousand, twenty-one".