1341013005221 has 4 divisors (see below), whose sum is σ = 1342118540652. Its totient is φ = 1339907469792.

The previous prime is 1341013005181. The next prime is 1341013005239. The reversal of 1341013005221 is 1225003101431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 160120022500 + 1180892982721 = 400150^2 + 1086689^2 .

It is a cyclic number.

It is not a de Polignac number, because 1341013005221 - 2¹⁴ = 1341012988837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341013005251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552765896 + ... + 552768321.

It is an arithmetic number, because the mean of its divisors is an integer number (335529635163).

Almost surely, 2^{1341013005221} is an apocalyptic number.

It is an amenable number.

1341013005221 is a deficient number, since it is larger than the sum of its proper divisors (1105535431).

1341013005221 is a wasteful number, since it uses less digits than its factorization.

1341013005221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105535430.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 1341013005221 its reverse (1225003101431), we get a palindrome (2566016106652).

The spelling of 1341013005221 in words is "one trillion, three hundred forty-one billion, thirteen million, five thousand, two hundred twenty-one".