111341130104221 has 2 divisors, whose sum is σ = 111341130104222. Its totient is φ = 111341130104220.

The previous prime is 111341130104219. The next prime is 111341130104341. The reversal of 111341130104221 is 122401031143111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99603174459321 + 11737955644900 = 9980139^2 + 3426070^2 .

It is a cyclic number.

It is not a de Polignac number, because 111341130104221 - 2¹ = 111341130104219 is a prime.

It is a super-5 number, since 5×111341130104221⁵ (a number of 71 digits) contains 55555 as substring.

Together with 111341130104219, 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 (111341130104921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55670565052110 + 55670565052111.

It is an arithmetic number, because the mean of its divisors is an integer number (55670565052111).

Almost surely, 2^{111341130104221} is an apocalyptic number.

It is an amenable number.

111341130104221 is a deficient number, since it is larger than the sum of its proper divisors (1).

111341130104221 is an equidigital number, since it uses as much as digits as its factorization.

111341130104221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 111341130104221 its reverse (122401031143111), we get a palindrome (233742161247332).

The spelling of 111341130104221 in words is "one hundred eleven trillion, three hundred forty-one billion, one hundred thirty million, one hundred four thousand, two hundred twenty-one".