2010220000021 has 2 divisors, whose sum is σ = 2010220000022. Its totient is φ = 2010220000020.

The previous prime is 2010220000001. The next prime is 2010220000057. The reversal of 2010220000021 is 1200000220102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1801635062500 + 208584937521 = 1342250^2 + 456711^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010220000021 - 2¹⁵ = 2010219967253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2010219999962 and 2010220000007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2010220000001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005110000010 + 1005110000011.

It is an arithmetic number, because the mean of its divisors is an integer number (1005110000011).

Almost surely, 2^{2010220000021} is an apocalyptic number.

It is an amenable number.

2010220000021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010220000021 is an equidigital number, since it uses as much as digits as its factorization.

2010220000021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2010220000021 its reverse (1200000220102), we get a palindrome (3210220220123).

The spelling of 2010220000021 in words is "two trillion, ten billion, two hundred twenty million, twenty-one", and thus it is an aban number.