122311220351111 has 8 divisors (see below), whose sum is σ = 133538288361744. Its totient is φ = 111102130033920.

The previous prime is 122311220351093. The next prime is 122311220351113. The reversal of 122311220351111 is 111153022113221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122311220351111 - 2¹⁴ = 122311220334727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122311220351113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4494409130 + ... + 4494436343.

It is an arithmetic number, because the mean of its divisors is an integer number (16692286045218).

Almost surely, 2^{122311220351111} is an apocalyptic number.

122311220351111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122311220351111 is a deficient number, since it is larger than the sum of its proper divisors (11227068010633).

122311220351111 is a wasteful number, since it uses less digits than its factorization.

122311220351111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8988846721.

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 122311220351111 its reverse (111153022113221), we get a palindrome (233464242464332).

The spelling of 122311220351111 in words is "one hundred twenty-two trillion, three hundred eleven billion, two hundred twenty million, three hundred fifty-one thousand, one hundred eleven".