211313023122011 has 4 divisors (see below), whose sum is σ = 211362199999272. Its totient is φ = 211263846244752.

The previous prime is 211313023121957. The next prime is 211313023122037. The reversal of 211313023122011 is 110221320313112.

It is a happy number.

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 211313023122011 - 2¹⁰ = 211313023120987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211313023122611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24588432185 + ... + 24588440778.

It is an arithmetic number, because the mean of its divisors is an integer number (52840549999818).

Almost surely, 2^{211313023122011} is an apocalyptic number.

211313023122011 is a deficient number, since it is larger than the sum of its proper divisors (49176877261).

211313023122011 is an equidigital number, since it uses as much as digits as its factorization.

211313023122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49176877260.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 211313023122011 its reverse (110221320313112), we get a palindrome (321534343435123).

The spelling of 211313023122011 in words is "two hundred eleven trillion, three hundred thirteen billion, twenty-three million, one hundred twenty-two thousand, eleven".