13042211012321 has 2 divisors, whose sum is σ = 13042211012322. Its totient is φ = 13042211012320.

The previous prime is 13042211012287. The next prime is 13042211012443. The reversal of 13042211012321 is 12321011224031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7783742884096 + 5258468128225 = 2789936^2 + 2293135^2 .

It is a cyclic number.

It is not a de Polignac number, because 13042211012321 - 2²⁶ = 13042143903457 is a prime.

It is a super-2 number, since 2×13042211012321² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13042211015321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6521105506160 + 6521105506161.

It is an arithmetic number, because the mean of its divisors is an integer number (6521105506161).

Almost surely, 2^{13042211012321} is an apocalyptic number.

It is an amenable number.

13042211012321 is a deficient number, since it is larger than the sum of its proper divisors (1).

13042211012321 is an equidigital number, since it uses as much as digits as its factorization.

13042211012321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 13042211012321 its reverse (12321011224031), we get a palindrome (25363222236352).

The spelling of 13042211012321 in words is "thirteen trillion, forty-two billion, two hundred eleven million, twelve thousand, three hundred twenty-one".