2126111201 has 8 divisors (see below), whose sum is σ = 2171093664. Its totient is φ = 2081518560.

The previous prime is 2126111179. The next prime is 2126111209. The reversal of 2126111201 is 1021116212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2126111201 is a prime.

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 2126111201.

It is not an unprimeable number, because it can be changed into a prime (2126111209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86420 + ... + 108261.

It is an arithmetic number, because the mean of its divisors is an integer number (271386708).

Almost surely, 2^2126111201 is an apocalyptic number.

It is an amenable number.

2126111201 is a deficient number, since it is larger than the sum of its proper divisors (44982463).

2126111201 is a wasteful number, since it uses less digits than its factorization.

2126111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194911.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 2126111201 is about 46109.7733783197. The cubic root of 2126111201 is about 1285.8648512342.

Adding to 2126111201 its reverse (1021116212), we get a palindrome (3147227413).

The spelling of 2126111201 in words is "two billion, one hundred twenty-six million, one hundred eleven thousand, two hundred one".