2111111201 has 8 divisors (see below), whose sum is σ = 2143612800. Its totient is φ = 2078828928.

The previous prime is 2111111141. The next prime is 2111111207. The reversal of 2111111201 is 1021111112.

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 2111111201 - 2⁶ = 2111111137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111111207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35381 + ... + 73986.

It is an arithmetic number, because the mean of its divisors is an integer number (267951600).

Almost surely, 2^2111111201 is an apocalyptic number.

It is an amenable number.

2111111201 is a deficient number, since it is larger than the sum of its proper divisors (32501599).

2111111201 is a wasteful number, since it uses less digits than its factorization.

2111111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109663.

The product of its (nonzero) digits is 4, while the sum is 11.

The square root of 2111111201 is about 45946.8301518179. The cubic root of 2111111201 is about 1282.8337286328.

Adding to 2111111201 its reverse (1021111112), we get a palindrome (3132222313).

The spelling of 2111111201 in words is "two billion, one hundred eleven million, one hundred eleven thousand, two hundred one".