2131210201 has 4 divisors (see below), whose sum is σ = 2141920000. Its totient is φ = 2120500404.

The previous prime is 2131210187. The next prime is 2131210231. The reversal of 2131210201 is 1020121312.

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 2131210201 - 2²⁹ = 1594339289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131210231) 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, 5354601 + ... + 5354998.

It is an arithmetic number, because the mean of its divisors is an integer number (535480000).

Almost surely, 2^2131210201 is an apocalyptic number.

It is an amenable number.

2131210201 is a deficient number, since it is larger than the sum of its proper divisors (10709799).

2131210201 is a wasteful number, since it uses less digits than its factorization.

2131210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10709798.

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

The square root of 2131210201 is about 46165.0322321993. The cubic root of 2131210201 is about 1286.8919831979.

Adding to 2131210201 its reverse (1020121312), we get a palindrome (3151331513).

Subtracting from 2131210201 its reverse (1020121312), we obtain a square (1111088889 = 33333²).

It can be divided in two parts, 21312 and 10201, that added together give a palindrome (31513).

The spelling of 2131210201 in words is "two billion, one hundred thirty-one million, two hundred ten thousand, two hundred one".