1341144211221 has 20 divisors (see below), whose sum is σ = 2068064673664. Its totient is φ = 865254328200.

The previous prime is 1341144211129. The next prime is 1341144211247. The reversal of 1341144211221 is 1221124411431.

1341144211221 is a `hidden beast` number, since 1 + 3 + 4 + 1 + 14 + 421 + 1 + 221 = 666.

It is not a de Polignac number, because 1341144211221 - 2⁷ = 1341144211093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341144211271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 267051295 + ... + 267056316.

Almost surely, 2^{1341144211221} is an apocalyptic number.

It is an amenable number.

1341144211221 is a deficient number, since it is larger than the sum of its proper divisors (726920462443).

1341144211221 is an equidigital number, since it uses as much as digits as its factorization.

1341144211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534107654 (or 534107645 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

Adding to 1341144211221 its reverse (1221124411431), we get a palindrome (2562268622652).

The spelling of 1341144211221 in words is "one trillion, three hundred forty-one billion, one hundred forty-four million, two hundred eleven thousand, two hundred twenty-one".