344215122112221 has 8 divisors (see below), whose sum is σ = 463015031514240. Its totient is φ = 227445980392512.

The previous prime is 344215122112187. The next prime is 344215122112237. The reversal of 344215122112221 is 122211221512443.

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

It is not a de Polignac number, because 344215122112221 - 2⁷ = 344215122112093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344215122112241) 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, 507691920181 + ... + 507691920858.

It is an arithmetic number, because the mean of its divisors is an integer number (57876878939280).

Almost surely, 2^{344215122112221} is an apocalyptic number.

It is an amenable number.

344215122112221 is a deficient number, since it is larger than the sum of its proper divisors (118799909402019).

344215122112221 is a wasteful number, since it uses less digits than its factorization.

344215122112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015383841155.

The product of its digits is 15360, while the sum is 33.

Adding to 344215122112221 its reverse (122211221512443), we get a palindrome (466426343624664).

The spelling of 344215122112221 in words is "three hundred forty-four trillion, two hundred fifteen billion, one hundred twenty-two million, one hundred twelve thousand, two hundred twenty-one".