2011012019 has 8 divisors (see below), whose sum is σ = 2050045200. Its totient is φ = 1972019296.

The previous prime is 2011012009. The next prime is 2011012021. The reversal of 2011012019 is 9102101102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2011012019 - 2⁸ = 2011011763 is a prime.

It is a super-2 number, since 2×2011012019² = 8088338681124912722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011011988 and 2011012006.

It is not an unprimeable number, because it can be changed into a prime (2011012009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102209 + ... + 120285.

It is an arithmetic number, because the mean of its divisors is an integer number (256255650).

Almost surely, 2^2011012019 is an apocalyptic number.

2011012019 is a deficient number, since it is larger than the sum of its proper divisors (39033181).

2011012019 is a wasteful number, since it uses less digits than its factorization.

2011012019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20229.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 2011012019 is about 44844.3086578442. The cubic root of 2011012019 is about 1262.2291979256.

The spelling of 2011012019 in words is "two billion, eleven million, twelve thousand, nineteen".