2021222020019 has 8 divisors (see below), whose sum is σ = 2046832777920. Its totient is φ = 1995611904000.

The previous prime is 2021222019979. The next prime is 2021222020039. The reversal of 2021222020019 is 9100202221202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2021222020019 - 2³⁶ = 1952502543283 is a prime.

It is a super-2 number, since 2×2021222020019² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2021222019976 and 2021222020003.

It is not an unprimeable number, because it can be changed into a prime (2021222020039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11610419 + ... + 11783219.

It is an arithmetic number, because the mean of its divisors is an integer number (255854097240).

Almost surely, 2^{2021222020019} is an apocalyptic number.

2021222020019 is a deficient number, since it is larger than the sum of its proper divisors (25610757901).

2021222020019 is a wasteful number, since it uses less digits than its factorization.

2021222020019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320941.

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

The spelling of 2021222020019 in words is "two trillion, twenty-one billion, two hundred twenty-two million, twenty thousand, nineteen".