221132322331009 has 2 divisors, whose sum is σ = 221132322331010. Its totient is φ = 221132322331008.

The previous prime is 221132322331003. The next prime is 221132322331013. The reversal of 221132322331009 is 900133223231122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220249938272400 + 882384058609 = 14840820^2 + 939353^2 .

It is a cyclic number.

It is not a de Polignac number, because 221132322331009 - 2¹³ = 221132322322817 is a prime.

It is not a weakly prime, because it can be changed into another prime (221132322331003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110566161165504 + 110566161165505.

It is an arithmetic number, because the mean of its divisors is an integer number (110566161165505).

Almost surely, 2^{221132322331009} is an apocalyptic number.

It is an amenable number.

221132322331009 is a deficient number, since it is larger than the sum of its proper divisors (1).

221132322331009 is an equidigital number, since it uses as much as digits as its factorization.

221132322331009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

The spelling of 221132322331009 in words is "two hundred twenty-one trillion, one hundred thirty-two billion, three hundred twenty-two million, three hundred thirty-one thousand, nine".