2020220010121 has 2 divisors, whose sum is σ = 2020220010122. Its totient is φ = 2020220010120.

The previous prime is 2020220010091. The next prime is 2020220010167. The reversal of 2020220010121 is 1210100220202.

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., 1655326694025 + 364893316096 = 1286595^2 + 604064^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020220010121 - 2¹⁵ = 2020219977353 is a prime.

It is not a weakly prime, because it can be changed into another prime (2020220010181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010110005060 + 1010110005061.

It is an arithmetic number, because the mean of its divisors is an integer number (1010110005061).

Almost surely, 2^{2020220010121} is an apocalyptic number.

It is an amenable number.

2020220010121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020220010121 is an equidigital number, since it uses as much as digits as its factorization.

2020220010121 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 2020220010121 its reverse (1210100220202), we get a palindrome (3230320230323).

The spelling of 2020220010121 in words is "two trillion, twenty billion, two hundred twenty million, ten thousand, one hundred twenty-one".