10211000201021 has 2 divisors, whose sum is σ = 10211000201022. Its totient is φ = 10211000201020.

The previous prime is 10211000200997. The next prime is 10211000201041. The reversal of 10211000201021 is 12010200011201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9516546312100 + 694453888921 = 3084890^2 + 833339^2 .

It is a cyclic number.

It is not a de Polignac number, because 10211000201021 - 2⁶ = 10211000200957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10211000200993 and 10211000201011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10211000201041) 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, 5105500100510 + 5105500100511.

It is an arithmetic number, because the mean of its divisors is an integer number (5105500100511).

Almost surely, 2^{10211000201021} is an apocalyptic number.

It is an amenable number.

10211000201021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211000201021 is an equidigital number, since it uses as much as digits as its factorization.

10211000201021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10211000201021 its reverse (12010200011201), we get a palindrome (22221200212222).

The spelling of 10211000201021 in words is "ten trillion, two hundred eleven billion, two hundred one thousand, twenty-one".