2001002111019 has 8 divisors (see below), whose sum is σ = 2964447571920. Its totient is φ = 1334001407328.

The previous prime is 2001002111011. The next prime is 2001002111021. The reversal of 2001002111019 is 9101112001002.

It is a happy number.

It is not a de Polignac number, because 2001002111019 - 2³ = 2001002111011 is a prime.

It is a super-2 number, since 2×2001002111019² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2001002110992 and 2001002111010.

It is not an unprimeable number, because it can be changed into a prime (2001002111011) 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 in 7 ways as a sum of consecutive naturals, for example, 37055594622 + ... + 37055594675.

It is an arithmetic number, because the mean of its divisors is an integer number (370555946490).

Almost surely, 2^{2001002111019} is an apocalyptic number.

2001002111019 is a deficient number, since it is larger than the sum of its proper divisors (963445460901).

2001002111019 is an equidigital number, since it uses as much as digits as its factorization.

2001002111019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74111189306 (or 74111189300 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 2001002111019 in words is "two trillion, one billion, two million, one hundred eleven thousand, nineteen".