213111030001 has 4 divisors (see below), whose sum is σ = 213704654400. Its totient is φ = 212517405604.

The previous prime is 213111029941. The next prime is 213111030017. The reversal of 213111030001 is 100030111312.

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 213111030001 - 2¹⁷ = 213110898929 is a prime.

It is a super-2 number, since 2×213111030001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213111030071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296811661 + ... + 296812378.

It is an arithmetic number, because the mean of its divisors is an integer number (53426163600).

Almost surely, 2^213111030001 is an apocalyptic number.

It is an amenable number.

213111030001 is a deficient number, since it is larger than the sum of its proper divisors (593624399).

213111030001 is an equidigital number, since it uses as much as digits as its factorization.

213111030001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593624398.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 213111030001 its reverse (100030111312), we get a palindrome (313141141313).

The spelling of 213111030001 in words is "two hundred thirteen billion, one hundred eleven million, thirty thousand, one".