23111122202011 has 8 divisors (see below), whose sum is σ = 23146098153984. Its totient is φ = 23076171868200.

The previous prime is 23111122202009. The next prime is 23111122202017. The reversal of 23111122202011 is 11020222111132.

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 23111122202011 - 2¹ = 23111122202009 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 23111122202011.

It is not an unprimeable number, because it can be changed into a prime (23111122202017) 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, 4598515 + ... + 8207836.

It is an arithmetic number, because the mean of its divisors is an integer number (2893262269248).

Almost surely, 2^{23111122202011} is an apocalyptic number.

23111122202011 is a deficient number, since it is larger than the sum of its proper divisors (34975951973).

23111122202011 is a wasteful number, since it uses less digits than its factorization.

23111122202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12809081.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 23111122202011 its reverse (11020222111132), we get a palindrome (34131344313143).

The spelling of 23111122202011 in words is "twenty-three trillion, one hundred eleven billion, one hundred twenty-two million, two hundred two thousand, eleven".