4401221121301 has 2 divisors, whose sum is σ = 4401221121302. Its totient is φ = 4401221121300.

The previous prime is 4401221121299. The next prime is 4401221121329. The reversal of 4401221121301 is 1031211221044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2940504744100 + 1460716377201 = 1714790^2 + 1208601^2 .

It is a cyclic number.

It is not a de Polignac number, because 4401221121301 - 2¹ = 4401221121299 is a prime.

Together with 4401221121299, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4401221121371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2200610560650 + 2200610560651.

It is an arithmetic number, because the mean of its divisors is an integer number (2200610560651).

Almost surely, 2^{4401221121301} is an apocalyptic number.

It is an amenable number.

4401221121301 is a deficient number, since it is larger than the sum of its proper divisors (1).

4401221121301 is an equidigital number, since it uses as much as digits as its factorization.

4401221121301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 4401221121301 its reverse (1031211221044), we get a palindrome (5432432342345).

The spelling of 4401221121301 in words is "four trillion, four hundred one billion, two hundred twenty-one million, one hundred twenty-one thousand, three hundred one".