122304311011 has 4 divisors (see below), whose sum is σ = 122305450792. Its totient is φ = 122303171232.

The previous prime is 122304311009. The next prime is 122304311021. The reversal of 122304311011 is 110113403221.

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 122304311011 - 2¹ = 122304311009 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 122304311011.

It is not an unprimeable number, because it can be changed into a prime (122304311021) 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, 390006 + ... + 629851.

It is an arithmetic number, because the mean of its divisors is an integer number (30576362698).

Almost surely, 2^122304311011 is an apocalyptic number.

122304311011 is a deficient number, since it is larger than the sum of its proper divisors (1139781).

122304311011 is a wasteful number, since it uses less digits than its factorization.

122304311011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139780.

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

Adding to 122304311011 its reverse (110113403221), we get a palindrome (232417714232).

The spelling of 122304311011 in words is "one hundred twenty-two billion, three hundred four million, three hundred eleven thousand, eleven".