2011000221983 has 4 divisors (see below), whose sum is σ = 2011010896680. Its totient is φ = 2010989547288.

The previous prime is 2011000221977. The next prime is 2011000222009. The reversal of 2011000221983 is 3891220001102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011000221983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011000223983) 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, 5049593 + ... + 5433266.

It is an arithmetic number, because the mean of its divisors is an integer number (502752724170).

Almost surely, 2^{2011000221983} is an apocalyptic number.

2011000221983 is a deficient number, since it is larger than the sum of its proper divisors (10674697).

2011000221983 is a wasteful number, since it uses less digits than its factorization.

2011000221983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10674696.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 2011000221983 in words is "two trillion, eleven billion, two hundred twenty-one thousand, nine hundred eighty-three".