122011211323 has 4 divisors (see below), whose sum is σ = 124987094568. Its totient is φ = 119035328080.

The previous prime is 122011211297. The next prime is 122011211339. The reversal of 122011211323 is 323112110221.

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 122011211323 - 2⁵ = 122011211291 is a prime.

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 122011211323.

It is not an unprimeable number, because it can be changed into a prime (122011211353) 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, 1487941561 + ... + 1487941642.

It is an arithmetic number, because the mean of its divisors is an integer number (31246773642).

Almost surely, 2^122011211323 is an apocalyptic number.

122011211323 is a deficient number, since it is larger than the sum of its proper divisors (2975883245).

122011211323 is an equidigital number, since it uses as much as digits as its factorization.

122011211323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975883244.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 122011211323 its reverse (323112110221), we get a palindrome (445123321544).

The spelling of 122011211323 in words is "one hundred twenty-two billion, eleven million, two hundred eleven thousand, three hundred twenty-three".