11213102133421 has 2 divisors, whose sum is σ = 11213102133422. Its totient is φ = 11213102133420.

The previous prime is 11213102133391. The next prime is 11213102133437. The reversal of 11213102133421 is 12433120131211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9170449475625 + 2042652657796 = 3028275^2 + 1429214^2 .

It is a cyclic number.

It is not a de Polignac number, because 11213102133421 - 2³³ = 11204512198829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11213102130421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606551066710 + 5606551066711.

It is an arithmetic number, because the mean of its divisors is an integer number (5606551066711).

Almost surely, 2^{11213102133421} is an apocalyptic number.

It is an amenable number.

11213102133421 is a deficient number, since it is larger than the sum of its proper divisors (1).

11213102133421 is an equidigital number, since it uses as much as digits as its factorization.

11213102133421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 11213102133421 its reverse (12433120131211), we get a palindrome (23646222264632).

The spelling of 11213102133421 in words is "eleven trillion, two hundred thirteen billion, one hundred two million, one hundred thirty-three thousand, four hundred twenty-one".