11321221338101 has 2 divisors, whose sum is σ = 11321221338102. Its totient is φ = 11321221338100.

The previous prime is 11321221338079. The next prime is 11321221338107. The reversal of 11321221338101 is 10183312212311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9080736257476 + 2240485080625 = 3013426^2 + 1496825^2 .

It is a cyclic number.

It is not a de Polignac number, because 11321221338101 - 2³⁴ = 11304041468917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11321221338107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660610669050 + 5660610669051.

It is an arithmetic number, because the mean of its divisors is an integer number (5660610669051).

Almost surely, 2^{11321221338101} is an apocalyptic number.

It is an amenable number.

11321221338101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321221338101 is an equidigital number, since it uses as much as digits as its factorization.

11321221338101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 11321221338101 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-one million, three hundred thirty-eight thousand, one hundred one".