20212001022019 has 2 divisors, whose sum is σ = 20212001022020. Its totient is φ = 20212001022018.

The previous prime is 20212001022001. The next prime is 20212001022053. The reversal of 20212001022019 is 91022010021202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20212001022019 is a prime.

It is a super-2 number, since 2×20212001022019² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20212001022919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106000511009 + 10106000511010.

It is an arithmetic number, because the mean of its divisors is an integer number (10106000511010).

Almost surely, 2^{20212001022019} is an apocalyptic number.

20212001022019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212001022019 is an equidigital number, since it uses as much as digits as its factorization.

20212001022019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 20212001022019 in words is "twenty trillion, two hundred twelve billion, one million, twenty-two thousand, nineteen".