1322311111009 has 6 divisors (see below), whose sum is σ = 1538198639394. Its totient is φ = 1133409523680.

The previous prime is 1322311110983. The next prime is 1322311111049. The reversal of 1322311111009 is 9001111132231.

It can be written as a sum of positive squares in only one way, i.e., 1235343331600 + 86967779409 = 1111460^2 + 294903^2 .

It is not a de Polignac number, because 1322311111009 - 2¹⁹ = 1322310586721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322311111049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13492970472 + ... + 13492970569.

It is an arithmetic number, because the mean of its divisors is an integer number (256366439899).

Almost surely, 2^{1322311111009} is an apocalyptic number.

It is an amenable number.

1322311111009 is a deficient number, since it is larger than the sum of its proper divisors (215887528385).

1322311111009 is an equidigital number, since it uses as much as digits as its factorization.

1322311111009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26985941055 (or 26985941048 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 1322311111009 in words is "one trillion, three hundred twenty-two billion, three hundred eleven million, one hundred eleven thousand, nine".