2102311201 has 4 divisors (see below), whose sum is σ = 2102508100. Its totient is φ = 2102114304.

The previous prime is 2102311163. The next prime is 2102311213. The reversal of 2102311201 is 1021132012.

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

It can be written as a sum of positive squares in 2 ways, for example, as 647651601 + 1454659600 = 25449^2 + 38140^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102311201 - 2¹⁵ = 2102278433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102311261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81456 + ... + 104113.

It is an arithmetic number, because the mean of its divisors is an integer number (525627025).

Almost surely, 2^2102311201 is an apocalyptic number.

It is an amenable number.

2102311201 is a deficient number, since it is larger than the sum of its proper divisors (196899).

2102311201 is a wasteful number, since it uses less digits than its factorization.

2102311201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196898.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2102311201 is about 45850.9672853256. The cubic root of 2102311201 is about 1281.0487825639.

Adding to 2102311201 its reverse (1021132012), we get a palindrome (3123443213).

The spelling of 2102311201 in words is "two billion, one hundred two million, three hundred eleven thousand, two hundred one".