2201023231009 has 2 divisors, whose sum is σ = 2201023231010. Its totient is φ = 2201023231008.

The previous prime is 2201023230979. The next prime is 2201023231019. The reversal of 2201023231009 is 9001323201022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2079551464225 + 121471766784 = 1442065^2 + 348528^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201023231009 - 2¹¹ = 2201023228961 is a prime.

It is not a weakly prime, because it can be changed into another prime (2201023231019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100511615504 + 1100511615505.

It is an arithmetic number, because the mean of its divisors is an integer number (1100511615505).

Almost surely, 2^{2201023231009} is an apocalyptic number.

It is an amenable number.

2201023231009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201023231009 is an equidigital number, since it uses as much as digits as its factorization.

2201023231009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 2201023231009 in words is "two trillion, two hundred one billion, twenty-three million, two hundred thirty-one thousand, nine".