211313233411 has 4 divisors (see below), whose sum is σ = 241500838192. Its totient is φ = 181125628632.

The previous prime is 211313233357. The next prime is 211313233429. The reversal of 211313233411 is 114332313112.

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 211313233411 - 2⁷ = 211313233283 is a prime.

It is a super-2 number, since 2×211313233411² (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 (211313233441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15093802380 + ... + 15093802393.

It is an arithmetic number, because the mean of its divisors is an integer number (60375209548).

Almost surely, 2^211313233411 is an apocalyptic number.

211313233411 is a deficient number, since it is larger than the sum of its proper divisors (30187604781).

211313233411 is an equidigital number, since it uses as much as digits as its factorization.

211313233411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30187604780.

The product of its digits is 1296, while the sum is 25.

Adding to 211313233411 its reverse (114332313112), we get a palindrome (325645546523).

The spelling of 211313233411 in words is "two hundred eleven billion, three hundred thirteen million, two hundred thirty-three thousand, four hundred eleven".