201001011213 has 4 divisors (see below), whose sum is σ = 268001348288. Its totient is φ = 134000674140.

The previous prime is 201001011199. The next prime is 201001011217. The reversal of 201001011213 is 312110100102.

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 not a de Polignac number, because 201001011213 - 2⁶ = 201001011149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001011217) 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, 33500168533 + ... + 33500168538.

It is an arithmetic number, because the mean of its divisors is an integer number (67000337072).

Almost surely, 2^201001011213 is an apocalyptic number.

It is an amenable number.

201001011213 is a deficient number, since it is larger than the sum of its proper divisors (67000337075).

201001011213 is an equidigital number, since it uses as much as digits as its factorization.

201001011213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67000337074.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 201001011213 its reverse (312110100102), we get a palindrome (513111111315).

The spelling of 201001011213 in words is "two hundred one billion, one million, eleven thousand, two hundred thirteen".