14111103434621 has 2 divisors, whose sum is σ = 14111103434622. Its totient is φ = 14111103434620.

The previous prime is 14111103434611. The next prime is 14111103434669. The reversal of 14111103434621 is 12643430111141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11517267564100 + 2593835870521 = 3393710^2 + 1610539^2 .

It is a cyclic number.

It is not a de Polignac number, because 14111103434621 - 2²² = 14111099240317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14111103434611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7055551717310 + 7055551717311.

It is an arithmetic number, because the mean of its divisors is an integer number (7055551717311).

Almost surely, 2^{14111103434621} is an apocalyptic number.

It is an amenable number.

14111103434621 is a deficient number, since it is larger than the sum of its proper divisors (1).

14111103434621 is an equidigital number, since it uses as much as digits as its factorization.

14111103434621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

Adding to 14111103434621 its reverse (12643430111141), we get a palindrome (26754533545762).

The spelling of 14111103434621 in words is "fourteen trillion, one hundred eleven billion, one hundred three million, four hundred thirty-four thousand, six hundred twenty-one".