122311143223135 has 16 divisors (see below), whose sum is σ = 147047141007360. Its totient is φ = 97666530775840.

The previous prime is 122311143223133. The next prime is 122311143223187. The reversal of 122311143223135 is 531322341113221.

It is not a de Polignac number, because 122311143223135 - 2¹ = 122311143223133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122311143223135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122311143223133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469357 + ... + 15647446.

It is an arithmetic number, because the mean of its divisors is an integer number (9190446312960).

Almost surely, 2^{122311143223135} is an apocalyptic number.

122311143223135 is a deficient number, since it is larger than the sum of its proper divisors (24735997784225).

122311143223135 is a wasteful number, since it uses less digits than its factorization.

122311143223135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16119638.

The product of its digits is 25920, while the sum is 34.

Adding to 122311143223135 its reverse (531322341113221), we get a palindrome (653633484336356).

The spelling of 122311143223135 in words is "one hundred twenty-two trillion, three hundred eleven billion, one hundred forty-three million, two hundred twenty-three thousand, one hundred thirty-five".