213021020201 has 32 divisors (see below), whose sum is σ = 245492674560. Its totient is φ = 182946966400.

The previous prime is 213021020197. The next prime is 213021020243. The reversal of 213021020201 is 102020120312.

It is a happy number.

It is not a de Polignac number, because 213021020201 - 2² = 213021020197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213021020291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21859136 + ... + 21868878.

It is an arithmetic number, because the mean of its divisors is an integer number (7671646080).

Almost surely, 2^213021020201 is an apocalyptic number.

It is an amenable number.

213021020201 is a deficient number, since it is larger than the sum of its proper divisors (32471654359).

213021020201 is a wasteful number, since it uses less digits than its factorization.

213021020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10837.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 213021020201 its reverse (102020120312), we get a palindrome (315041140513).

The spelling of 213021020201 in words is "two hundred thirteen billion, twenty-one million, twenty thousand, two hundred one".