201123224011 has 8 divisors (see below), whose sum is σ = 213100589664. Its totient is φ = 189162145920.

The previous prime is 201123223981. The next prime is 201123224053. The reversal of 201123224011 is 110422321102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201123224011 - 2⁷ = 201123223883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201123224011.

It is not an unprimeable number, because it can be changed into a prime (201123224111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4046455 + ... + 4095856.

It is an arithmetic number, because the mean of its divisors is an integer number (26637573708).

Almost surely, 2^201123224011 is an apocalyptic number.

201123224011 is a deficient number, since it is larger than the sum of its proper divisors (11977365653).

201123224011 is a wasteful number, since it uses less digits than its factorization.

201123224011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8143781.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 201123224011 its reverse (110422321102), we get a palindrome (311545545113).

The spelling of 201123224011 in words is "two hundred one billion, one hundred twenty-three million, two hundred twenty-four thousand, eleven".