2010020122021 has 2 divisors, whose sum is σ = 2010020122022. Its totient is φ = 2010020122020.

The previous prime is 2010020121997. The next prime is 2010020122057. The reversal of 2010020122021 is 1202210200102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2010000885025 + 19236996 = 1417745^2 + 4386^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010020122021 - 2²¹ = 2010018024869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2010020121992 and 2010020122010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2010020162021) 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, 1005010061010 + 1005010061011.

It is an arithmetic number, because the mean of its divisors is an integer number (1005010061011).

Almost surely, 2^{2010020122021} is an apocalyptic number.

It is an amenable number.

2010020122021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010020122021 is an equidigital number, since it uses as much as digits as its factorization.

2010020122021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2010020122021 its reverse (1202210200102), we get a palindrome (3212230322123).

The spelling of 2010020122021 in words is "two trillion, ten billion, twenty million, one hundred twenty-two thousand, twenty-one".