2021222002209 has 16 divisors (see below), whose sum is σ = 2826082732800. Its totient is φ = 1283194313856.

The previous prime is 2021222002199. The next prime is 2021222002211. The reversal of 2021222002209 is 9022002221202.

It is a de Polignac number, because none of the positive numbers 2^k-2021222002209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021222002259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159119929 + ... + 159132630.

It is an arithmetic number, because the mean of its divisors is an integer number (176630170800).

Almost surely, 2^{2021222002209} is an apocalyptic number.

2021222002209 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2021222002209 is a deficient number, since it is larger than the sum of its proper divisors (804860730591).

2021222002209 is a wasteful number, since it uses less digits than its factorization.

2021222002209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318252664.

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 2021222002209 in words is "two trillion, twenty-one billion, two hundred twenty-two million, two thousand, two hundred nine".