2020011113221 has 2 divisors, whose sum is σ = 2020011113222. Its totient is φ = 2020011113220.

The previous prime is 2020011113173. The next prime is 2020011113231. The reversal of 2020011113221 is 1223111100202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1260174630625 + 759836482596 = 1122575^2 + 871686^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020011113221 - 2⁹ = 2020011112709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2020011113195 and 2020011113204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020011113231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010005556610 + 1010005556611.

It is an arithmetic number, because the mean of its divisors is an integer number (1010005556611).

Almost surely, 2^{2020011113221} is an apocalyptic number.

It is an amenable number.

2020011113221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020011113221 is an equidigital number, since it uses as much as digits as its factorization.

2020011113221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2020011113221 its reverse (1223111100202), we get a palindrome (3243122213423).

The spelling of 2020011113221 in words is "two trillion, twenty billion, eleven million, one hundred thirteen thousand, two hundred twenty-one".