211322301123 has 16 divisors (see below), whose sum is σ = 285472217600. Its totient is φ = 139028741280.

The previous prime is 211322301121. The next prime is 211322301173. The reversal of 211322301123 is 321103223112.

211322301123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211322301123 - 2¹ = 211322301121 is a prime.

It is a super-2 number, since 2×211322301123² (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 211322301123.

It is not an unprimeable number, because it can be changed into a prime (211322301121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254913 + ... + 698301.

It is an arithmetic number, because the mean of its divisors is an integer number (17842013600).

Almost surely, 2^211322301123 is an apocalyptic number.

211322301123 is a deficient number, since it is larger than the sum of its proper divisors (74149916477).

211322301123 is a wasteful number, since it uses less digits than its factorization.

211322301123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445482.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 211322301123 its reverse (321103223112), we get a palindrome (532425524235).

The spelling of 211322301123 in words is "two hundred eleven billion, three hundred twenty-two million, three hundred one thousand, one hundred twenty-three".