11321221322953 has 2 divisors, whose sum is σ = 11321221322954. Its totient is φ = 11321221322952.

The previous prime is 11321221322951. The next prime is 11321221323029. The reversal of 11321221322953 is 35922312212311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10250517899449 + 1070703423504 = 3201643^2 + 1034748^2 .

It is a cyclic number.

It is not a de Polignac number, because 11321221322953 - 2¹ = 11321221322951 is a prime.

Together with 11321221322951, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11321221322951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660610661476 + 5660610661477.

It is an arithmetic number, because the mean of its divisors is an integer number (5660610661477).

Almost surely, 2^{11321221322953} is an apocalyptic number.

It is an amenable number.

11321221322953 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321221322953 is an equidigital number, since it uses as much as digits as its factorization.

11321221322953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 37.

The spelling of 11321221322953 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-one million, three hundred twenty-two thousand, nine hundred fifty-three".