20212001002243 has 2 divisors, whose sum is σ = 20212001002244. Its totient is φ = 20212001002242.

The previous prime is 20212001002201. The next prime is 20212001002373. The reversal of 20212001002243 is 34220010021202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20212001002243 - 2²⁵ = 20211967447811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20212001002243.

It is not a weakly prime, because it can be changed into another prime (20212001002043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106000501121 + 10106000501122.

It is an arithmetic number, because the mean of its divisors is an integer number (10106000501122).

Almost surely, 2^{20212001002243} is an apocalyptic number.

20212001002243 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212001002243 is an equidigital number, since it uses as much as digits as its factorization.

20212001002243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20212001002243 its reverse (34220010021202), we get a palindrome (54432011023445).

The spelling of 20212001002243 in words is "twenty trillion, two hundred twelve billion, one million, two thousand, two hundred forty-three".