213001210201 has 12 divisors (see below), whose sum is σ = 243672935212. Its totient is φ = 185050821888.

The previous prime is 213001210151. The next prime is 213001210207. The reversal of 213001210201 is 102012100312.

It can be written as a sum of positive squares in 6 ways, for example, as 10231120201 + 202770090000 = 101149^2 + 450300^2 .

It is a de Polignac number, because none of the positive numbers 2^k-213001210201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213001210207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28343490 + ... + 28351003.

Almost surely, 2^213001210201 is an apocalyptic number.

It is an amenable number.

213001210201 is a deficient number, since it is larger than the sum of its proper divisors (30671725011).

213001210201 is a wasteful number, since it uses less digits than its factorization.

213001210201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56694540 (or 56694523 counting only the distinct ones).

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

Adding to 213001210201 its reverse (102012100312), we get a palindrome (315013310513).

The spelling of 213001210201 in words is "two hundred thirteen billion, one million, two hundred ten thousand, two hundred one".