121224420341 has 8 divisors (see below), whose sum is σ = 121397361624. Its totient is φ = 121051560960.

The previous prime is 121224420337. The next prime is 121224420391. The reversal of 121224420341 is 143024422121.

It can be written as a sum of positive squares in 4 ways, for example, as 5723679025 + 115500741316 = 75655^2 + 339854^2 .

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 121224420341 - 2² = 121224420337 is a prime.

It is a super-2 number, since 2×121224420341² (a number of 23 digits) contains 22 as substring.

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 121224420341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121224420391) 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, 3323495 + ... + 3359771.

It is an arithmetic number, because the mean of its divisors is an integer number (15174670203).

Almost surely, 2^121224420341 is an apocalyptic number.

It is an amenable number.

121224420341 is a deficient number, since it is larger than the sum of its proper divisors (172941283).

121224420341 is an equidigital number, since it uses as much as digits as its factorization.

121224420341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40951.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 121224420341 its reverse (143024422121), we get a palindrome (264248842462).

The spelling of 121224420341 in words is "one hundred twenty-one billion, two hundred twenty-four million, four hundred twenty thousand, three hundred forty-one".