2211111983 has 8 divisors (see below), whose sum is σ = 2292241536. Its totient is φ = 2130595200.

The previous prime is 2211111967. The next prime is 2211111997. The reversal of 2211111983 is 3891111122.

It is a happy number.

2211111983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2211111983 - 2⁴ = 2211111967 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 (2211111883) 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, 145838 + ... + 160283.

It is an arithmetic number, because the mean of its divisors is an integer number (286530192).

Almost surely, 2^2211111983 is an apocalyptic number.

2211111983 is a deficient number, since it is larger than the sum of its proper divisors (81129553).

2211111983 is a wasteful number, since it uses less digits than its factorization.

2211111983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306385.

The product of its digits is 864, while the sum is 29.

The square root of 2211111983 is about 47022.4625365367. The cubic root of 2211111983 is about 1302.7774901798. Note that the first 3 decimals are identical.

The spelling of 2211111983 in words is "two billion, two hundred eleven million, one hundred eleven thousand, nine hundred eighty-three".