213301223011 has 4 divisors (see below), whose sum is σ = 213303894232. Its totient is φ = 213298551792.

The previous prime is 213301222993. The next prime is 213301223033. The reversal of 213301223011 is 110322103312.

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 213301223011 - 2⁹ = 213301222499 is a prime.

It is a super-2 number, since 2×213301223011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213301223011.

It is not an unprimeable number, because it can be changed into a prime (213301223411) 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, 1212021 + ... + 1376806.

It is an arithmetic number, because the mean of its divisors is an integer number (53325973558).

Almost surely, 2^213301223011 is an apocalyptic number.

213301223011 is a deficient number, since it is larger than the sum of its proper divisors (2671221).

213301223011 is an equidigital number, since it uses as much as digits as its factorization.

213301223011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2671220.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 213301223011 its reverse (110322103312), we get a palindrome (323623326323).

The spelling of 213301223011 in words is "two hundred thirteen billion, three hundred one million, two hundred twenty-three thousand, eleven".