122115315151 has 8 divisors (see below), whose sum is σ = 125713644704. Its totient is φ = 118532665440.

The previous prime is 122115315137. The next prime is 122115315163. The reversal of 122115315151 is 151513511221.

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 122115315151 - 2¹³ = 122115306959 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 (122115315191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3904155 + ... + 3935308.

It is an arithmetic number, because the mean of its divisors is an integer number (15714205588).

Almost surely, 2^122115315151 is an apocalyptic number.

122115315151 is a deficient number, since it is larger than the sum of its proper divisors (3598329553).

122115315151 is an equidigital number, since it uses as much as digits as its factorization.

122115315151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7839921.

The product of its digits is 1500, while the sum is 28.

Adding to 122115315151 its reverse (151513511221), we get a palindrome (273628826372).

The spelling of 122115315151 in words is "one hundred twenty-two billion, one hundred fifteen million, three hundred fifteen thousand, one hundred fifty-one".