2011012100219 has 4 divisors (see below), whose sum is σ = 2043979511760. Its totient is φ = 1978044688680.

The previous prime is 2011012100213. The next prime is 2011012100281. The reversal of 2011012100219 is 9120012101102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2011012100219 - 2⁴ = 2011012100203 is a prime.

It is a super-2 number, since 2×2011012100219² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2011012100219.

It is not an unprimeable number, because it can be changed into a prime (2011012100213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16483705679 + ... + 16483705800.

It is an arithmetic number, because the mean of its divisors is an integer number (510994877940).

Almost surely, 2^{2011012100219} is an apocalyptic number.

2011012100219 is a deficient number, since it is larger than the sum of its proper divisors (32967411541).

2011012100219 is an equidigital number, since it uses as much as digits as its factorization.

2011012100219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32967411540.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 2011012100219 in words is "two trillion, eleven billion, twelve million, one hundred thousand, two hundred nineteen".