122615141516221 has 8 divisors (see below), whose sum is σ = 122756443185600. Its totient is φ = 122473844665920.

The previous prime is 122615141516213. The next prime is 122615141516249.

122615141516221 is nontrivially palindromic in base 10.

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 122615141516221 - 2³ = 122615141516213 is a prime.

It is a super-2 number, since 2×122615141516221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122615141516201) 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, 51014850 + ... + 53364268.

It is an arithmetic number, because the mean of its divisors is an integer number (15344555398200).

Almost surely, 2^{122615141516221} is an apocalyptic number.

It is an amenable number.

122615141516221 is a deficient number, since it is larger than the sum of its proper divisors (141301669379).

122615141516221 is an equidigital number, since it uses as much as digits as its factorization.

122615141516221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409539.

The product of its digits is 57600, while the sum is 40.

The spelling of 122615141516221 in words is "one hundred twenty-two trillion, six hundred fifteen billion, one hundred forty-one million, five hundred sixteen thousand, two hundred twenty-one".