2001220001019 has 16 divisors (see below), whose sum is σ = 2977494717600. Its totient is φ = 1328420711808.

The previous prime is 2001220001009. The next prime is 2001220001059. The reversal of 2001220001019 is 9101000221002.

It is not a de Polignac number, because 2001220001019 - 2⁸ = 2001220000763 is a prime.

It is a super-3 number, since 3×2001220001019³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2001220000992 and 2001220001010.

It is not an unprimeable number, because it can be changed into a prime (2001220001009) 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 15 ways as a sum of consecutive naturals, for example, 159047914 + ... + 159060495.

It is an arithmetic number, because the mean of its divisors is an integer number (186093419850).

Almost surely, 2^{2001220001019} is an apocalyptic number.

2001220001019 is a deficient number, since it is larger than the sum of its proper divisors (976274716581).

2001220001019 is a wasteful number, since it uses less digits than its factorization.

2001220001019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318108651 (or 318108645 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 2001220001019 in words is "two trillion, one billion, two hundred twenty million, one thousand, nineteen".