1342214243221 has 4 divisors (see below), whose sum is σ = 1421168022252. Its totient is φ = 1263260464192.

The previous prime is 1342214243219. The next prime is 1342214243281. The reversal of 1342214243221 is 1223424122431.

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 1208649576996 + 133564666225 = 1099386^2 + 365465^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342214243221 - 2¹ = 1342214243219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342214243281) 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, 39476889490 + ... + 39476889523.

It is an arithmetic number, because the mean of its divisors is an integer number (355292005563).

Almost surely, 2^{1342214243221} is an apocalyptic number.

It is an amenable number.

1342214243221 is a deficient number, since it is larger than the sum of its proper divisors (78953779031).

1342214243221 is an equidigital number, since it uses as much as digits as its factorization.

1342214243221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78953779030.

The product of its digits is 18432, while the sum is 31.

Adding to 1342214243221 its reverse (1223424122431), we get a palindrome (2565638365652).

The spelling of 1342214243221 in words is "one trillion, three hundred forty-two billion, two hundred fourteen million, two hundred forty-three thousand, two hundred twenty-one".