2011001220019 has 64 divisors (see below), whose sum is σ = 2388913274880. Its totient is φ = 1674308401920.

The previous prime is 2011001219999. The next prime is 2011001220023. The reversal of 2011001220019 is 9100221001102.

It is a happy number.

It is not a de Polignac number, because 2011001220019 - 2⁷ = 2011001219891 is a prime.

It is a super-2 number, since 2×2011001220019² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2011001219978 and 2011001220005.

It is not an unprimeable number, because it can be changed into a prime (2011001220419) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 235558719 + ... + 235567255.

It is an arithmetic number, because the mean of its divisors is an integer number (37326769920).

Almost surely, 2^{2011001220019} is an apocalyptic number.

2011001220019 is a deficient number, since it is larger than the sum of its proper divisors (377912054861).

2011001220019 is a wasteful number, since it uses less digits than its factorization.

2011001220019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9040.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 2011001220019 in words is "two trillion, eleven billion, one million, two hundred twenty thousand, nineteen".