11321421321029 has 2 divisors, whose sum is σ = 11321421321030. Its totient is φ = 11321421321028.

The previous prime is 11321421321013. The next prime is 11321421321061. The reversal of 11321421321029 is 92012312412311.

It is an a-pointer prime, because the next prime (11321421321061) can be obtained adding 11321421321029 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10724301940804 + 597119380225 = 3274798^2 + 772735^2 .

It is an emirp because it is prime and its reverse (92012312412311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11321421321029 - 2⁴ = 11321421321013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11321421320986 and 11321421321004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11321421321629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660710660514 + 5660710660515.

It is an arithmetic number, because the mean of its divisors is an integer number (5660710660515).

Almost surely, 2^{11321421321029} is an apocalyptic number.

It is an amenable number.

11321421321029 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321421321029 is an equidigital number, since it uses as much as digits as its factorization.

11321421321029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 11321421321029 in words is "eleven trillion, three hundred twenty-one billion, four hundred twenty-one million, three hundred twenty-one thousand, twenty-nine".