11320121322989 has 2 divisors, whose sum is σ = 11320121322990. Its totient is φ = 11320121322988.

The previous prime is 11320121322971. The next prime is 11320121323097. The reversal of 11320121322989 is 98922312102311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7789262355625 + 3530858967364 = 2790925^2 + 1879058^2 .

It is a cyclic number.

It is not a de Polignac number, because 11320121322989 - 2⁸ = 11320121322733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11320121322089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660060661494 + 5660060661495.

It is an arithmetic number, because the mean of its divisors is an integer number (5660060661495).

Almost surely, 2^{11320121322989} is an apocalyptic number.

It is an amenable number.

11320121322989 is a deficient number, since it is larger than the sum of its proper divisors (1).

11320121322989 is an equidigital number, since it uses as much as digits as its factorization.

11320121322989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 11320121322989 in words is "eleven trillion, three hundred twenty billion, one hundred twenty-one million, three hundred twenty-two thousand, nine hundred eighty-nine".