2010221002121 has 2 divisors, whose sum is σ = 2010221002122. Its totient is φ = 2010221002120.

The previous prime is 2010221002103. The next prime is 2010221002253. The reversal of 2010221002121 is 1212001220102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1720307676025 + 289913326096 = 1311605^2 + 538436^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010221002121 - 2³⁴ = 1993041132937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2010221002096 and 2010221002105.

It is not a weakly prime, because it can be changed into another prime (2010221002021) 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, 1005110501060 + 1005110501061.

It is an arithmetic number, because the mean of its divisors is an integer number (1005110501061).

Almost surely, 2^{2010221002121} is an apocalyptic number.

It is an amenable number.

2010221002121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010221002121 is an equidigital number, since it uses as much as digits as its factorization.

2010221002121 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 14.

Adding to 2010221002121 its reverse (1212001220102), we get a palindrome (3222222222223).

The spelling of 2010221002121 in words is "two trillion, ten billion, two hundred twenty-one million, two thousand, one hundred twenty-one".