122455121311 has 8 divisors (see below), whose sum is σ = 127420185024. Its totient is φ = 117588375840.

The previous prime is 122455121303. The next prime is 122455121323. The reversal of 122455121311 is 113121554221.

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 122455121311 - 2³ = 122455121303 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 122455121311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122455121911) 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, 24577020 + ... + 24582001.

It is an arithmetic number, because the mean of its divisors is an integer number (15927523128).

Almost surely, 2^122455121311 is an apocalyptic number.

122455121311 is a deficient number, since it is larger than the sum of its proper divisors (4965063713).

122455121311 is an equidigital number, since it uses as much as digits as its factorization.

122455121311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49159121.

The product of its digits is 2400, while the sum is 28.

Adding to 122455121311 its reverse (113121554221), we get a palindrome (235576675532).

The spelling of 122455121311 in words is "one hundred twenty-two billion, four hundred fifty-five million, one hundred twenty-one thousand, three hundred eleven".