1104344342221 has 2 divisors, whose sum is σ = 1104344342222. Its totient is φ = 1104344342220.

The previous prime is 1104344342203. The next prime is 1104344342237. The reversal of 1104344342221 is 1222434434011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 882211226121 + 222133116100 = 939261^2 + 471310^2 .

It is a cyclic number.

It is not a de Polignac number, because 1104344342221 - 2¹³ = 1104344334029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1104344340221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552172171110 + 552172171111.

It is an arithmetic number, because the mean of its divisors is an integer number (552172171111).

Almost surely, 2^{1104344342221} is an apocalyptic number.

It is an amenable number.

1104344342221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1104344342221 is an equidigital number, since it uses as much as digits as its factorization.

1104344342221 is an evil number, because the sum of its binary digits is even.

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

Adding to 1104344342221 its reverse (1222434434011), we get a palindrome (2326778776232).

The spelling of 1104344342221 in words is "one trillion, one hundred four billion, three hundred forty-four million, three hundred forty-two thousand, two hundred twenty-one".