201033123311 has 16 divisors (see below), whose sum is σ = 204432035328. Its totient is φ = 197650706400.

The previous prime is 201033123299. The next prime is 201033123341. The reversal of 201033123311 is 113321330102.

It is a cyclic number.

It is not a de Polignac number, because 201033123311 - 2¹⁸ = 201032861167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201033123341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74153246 + ... + 74155956.

It is an arithmetic number, because the mean of its divisors is an integer number (12777002208).

Almost surely, 2^201033123311 is an apocalyptic number.

201033123311 is a deficient number, since it is larger than the sum of its proper divisors (3398912017).

201033123311 is a wasteful number, since it uses less digits than its factorization.

201033123311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5302.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 201033123311 its reverse (113321330102), we get a palindrome (314354453413).

The spelling of 201033123311 in words is "two hundred one billion, thirty-three million, one hundred twenty-three thousand, three hundred eleven".