2130202001 has 4 divisors (see below), whose sum is σ = 2130679152. Its totient is φ = 2129724852.

The previous prime is 2130201991. The next prime is 2130202031. The reversal of 2130202001 is 1002020312.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2130202001 - 2¹⁰ = 2130200977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2130202031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231815 + ... + 240828.

It is an arithmetic number, because the mean of its divisors is an integer number (532669788).

Almost surely, 2^2130202001 is an apocalyptic number.

It is an amenable number.

2130202001 is a deficient number, since it is larger than the sum of its proper divisors (477151).

2130202001 is an equidigital number, since it uses as much as digits as its factorization.

2130202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477150.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2130202001 is about 46154.1114203274. Note that the first 3 decimals coincide. The cubic root of 2130202001 is about 1286.6890235301.

Adding to 2130202001 its reverse (1002020312), we get a palindrome (3132222313).

The spelling of 2130202001 in words is "two billion, one hundred thirty million, two hundred two thousand, one".