23201120111 has 8 divisors (see below), whose sum is σ = 25206936720. Its totient is φ = 21226891392.

The previous prime is 23201120101. The next prime is 23201120123. The reversal of 23201120111 is 11102110232.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23201120111 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 (23201120101) 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, 7895441 + ... + 7898378.

It is an arithmetic number, because the mean of its divisors is an integer number (3150867090).

Almost surely, 2^23201120111 is an apocalyptic number.

23201120111 is a deficient number, since it is larger than the sum of its proper divisors (2005816609).

23201120111 is a wasteful number, since it uses less digits than its factorization.

23201120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15793945.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 23201120111 its reverse (11102110232), we get a palindrome (34303230343).

The spelling of 23201120111 in words is "twenty-three billion, two hundred one million, one hundred twenty thousand, one hundred eleven".