2211110001 has 8 divisors (see below), whose sum is σ = 3275718560. Its totient is φ = 1474073316.

The previous prime is 2211109997. The next prime is 2211110131. The reversal of 2211110001 is 1000111122.

It is a happy number.

2211110001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2211110001 - 2² = 2211109997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2211110201) 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, 40946455 + ... + 40946508.

It is an arithmetic number, because the mean of its divisors is an integer number (409464820).

Almost surely, 2^2211110001 is an apocalyptic number.

It is an amenable number.

2211110001 is a deficient number, since it is larger than the sum of its proper divisors (1064608559).

2211110001 is an equidigital number, since it uses as much as digits as its factorization.

2211110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81892972 (or 81892966 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 2211110001 is about 47022.4414614979. The cubic root of 2211110001 is about 1302.7771009178. Note that the first 3 decimals are identical.

Adding to 2211110001 its reverse (1000111122), we get a palindrome (3211221123).

The spelling of 2211110001 in words is "two billion, two hundred eleven million, one hundred ten thousand, one".