11321421321061 has 2 divisors, whose sum is σ = 11321421321062. Its totient is φ = 11321421321060.

The previous prime is 11321421321029. The next prime is 11321421321149. The reversal of 11321421321061 is 16012312412311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8129803340961 + 3191617980100 = 2851281^2 + 1786510^2 .

It is a cyclic number.

It is not a de Polignac number, because 11321421321061 - 2⁵ = 11321421321029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11321421121061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660710660530 + 5660710660531.

It is an arithmetic number, because the mean of its divisors is an integer number (5660710660531).

Almost surely, 2^{11321421321061} is an apocalyptic number.

It is an amenable number.

11321421321061 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321421321061 is an equidigital number, since it uses as much as digits as its factorization.

11321421321061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 11321421321061 its reverse (16012312412311), we get a palindrome (27333733733372).

The spelling of 11321421321061 in words is "eleven trillion, three hundred twenty-one billion, four hundred twenty-one million, three hundred twenty-one thousand, sixty-one".