201182820911 has 16 divisors (see below), whose sum is σ = 218269598400. Its totient is φ = 184682065920.

The previous prime is 201182820889. The next prime is 201182820919. The reversal of 201182820911 is 119028281102.

It is a cyclic number.

It is not a de Polignac number, because 201182820911 - 2³⁰ = 200109079087 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 (201182820919) 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, 2786510 + ... + 2857796.

It is an arithmetic number, because the mean of its divisors is an integer number (13641849900).

Almost surely, 2^201182820911 is an apocalyptic number.

201182820911 is a deficient number, since it is larger than the sum of its proper divisors (17086777489).

201182820911 is a wasteful number, since it uses less digits than its factorization.

201182820911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75394.

The product of its (nonzero) digits is 4608, while the sum is 35.

The spelling of 201182820911 in words is "two hundred one billion, one hundred eighty-two million, eight hundred twenty thousand, nine hundred eleven".