2020011202021 has 2 divisors, whose sum is σ = 2020011202022. Its totient is φ = 2020011202020.

The previous prime is 2020011202009. The next prime is 2020011202037. The reversal of 2020011202021 is 1202021100202.

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., 1056453009921 + 963558192100 = 1027839^2 + 981610^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020011202021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2020011201992 and 2020011202010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020011202051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010005601010 + 1010005601011.

It is an arithmetic number, because the mean of its divisors is an integer number (1010005601011).

Almost surely, 2^{2020011202021} is an apocalyptic number.

It is an amenable number.

2020011202021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020011202021 is an equidigital number, since it uses as much as digits as its factorization.

2020011202021 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 2020011202021 its reverse (1202021100202), we get a palindrome (3222032302223).

The spelling of 2020011202021 in words is "two trillion, twenty billion, eleven million, two hundred two thousand, twenty-one".