11303414021 has 2 divisors, whose sum is σ = 11303414022. Its totient is φ = 11303414020.

The previous prime is 11303413991. The next prime is 11303414041. The reversal of 11303414021 is 12041430311.

It is an a-pointer prime, because the next prime (11303414041) can be obtained adding 11303414021 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5820011521 + 5483402500 = 76289^2 + 74050^2 .

It is an emirp because it is prime and its reverse (12041430311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11303414021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11303413984 and 11303414002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11303414041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5651707010 + 5651707011.

It is an arithmetic number, because the mean of its divisors is an integer number (5651707011).

Almost surely, 2^11303414021 is an apocalyptic number.

It is an amenable number.

11303414021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11303414021 is an equidigital number, since it uses as much as digits as its factorization.

11303414021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11303414021 its reverse (12041430311), we get a palindrome (23344844332).

The spelling of 11303414021 in words is "eleven billion, three hundred three million, four hundred fourteen thousand, twenty-one".