2021202022019 has 2 divisors, whose sum is σ = 2021202022020. Its totient is φ = 2021202022018.

The previous prime is 2021202022003. The next prime is 2021202022051. The reversal of 2021202022019 is 9102202021202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2021202022019 - 2⁴ = 2021202022003 is a prime.

It is a super-2 number, since 2×2021202022019² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2021202021985 and 2021202022003.

It is not a weakly prime, because it can be changed into another prime (2021202022919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010601011009 + 1010601011010.

It is an arithmetic number, because the mean of its divisors is an integer number (1010601011010).

Almost surely, 2^{2021202022019} is an apocalyptic number.

2021202022019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021202022019 is an equidigital number, since it uses as much as digits as its factorization.

2021202022019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 2021202022019 in words is "two trillion, twenty-one billion, two hundred two million, twenty-two thousand, nineteen".