201144324011 has 32 divisors (see below), whose sum is σ = 224067993600. Its totient is φ = 179780459040.

The previous prime is 201144324001. The next prime is 201144324013. The reversal of 201144324011 is 110423441102.

It is a cyclic number.

It is not a de Polignac number, because 201144324011 - 2¹⁰ = 201144322987 is a prime.

It is a super-2 number, since 2×201144324011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201144324013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13846610 + ... + 13861128.

It is an arithmetic number, because the mean of its divisors is an integer number (7002124800).

Almost surely, 2^201144324011 is an apocalyptic number.

201144324011 is a deficient number, since it is larger than the sum of its proper divisors (22923669589).

201144324011 is a wasteful number, since it uses less digits than its factorization.

201144324011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15159.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 201144324011 its reverse (110423441102), we get a palindrome (311567765113).

The spelling of 201144324011 in words is "two hundred one billion, one hundred forty-four million, three hundred twenty-four thousand, eleven".