213023100211 has 4 divisors (see below), whose sum is σ = 218218785624. Its totient is φ = 207827414800.

The previous prime is 213023100187. The next prime is 213023100259. The reversal of 213023100211 is 112001320312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213023100211 - 2¹¹ = 213023098163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213023100911) 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, 2597842645 + ... + 2597842726.

It is an arithmetic number, because the mean of its divisors is an integer number (54554696406).

Almost surely, 2^213023100211 is an apocalyptic number.

213023100211 is a deficient number, since it is larger than the sum of its proper divisors (5195685413).

213023100211 is an equidigital number, since it uses as much as digits as its factorization.

213023100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5195685412.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 213023100211 its reverse (112001320312), we get a palindrome (325024420523).

The spelling of 213023100211 in words is "two hundred thirteen billion, twenty-three million, one hundred thousand, two hundred eleven".