23200111111121 has 24 divisors (see below), whose sum is σ = 27575332283520. Its totient is φ = 19453359576672.

The previous prime is 23200111111103. The next prime is 23200111111183. The reversal of 23200111111121 is 12111111100232.

It is a de Polignac number, because none of the positive numbers 2^k-23200111111121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23200111111121.

It is not an unprimeable number, because it can be changed into a prime (23200111171121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2379035 + ... + 7215263.

It is an arithmetic number, because the mean of its divisors is an integer number (1148972178480).

Almost surely, 2^{23200111111121} is an apocalyptic number.

It is an amenable number.

23200111111121 is a deficient number, since it is larger than the sum of its proper divisors (4375221172399).

23200111111121 is a wasteful number, since it uses less digits than its factorization.

23200111111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4838373 (or 4838366 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 23200111111121 its reverse (12111111100232), we get a palindrome (35311222211353).

The spelling of 23200111111121 in words is "twenty-three trillion, two hundred billion, one hundred eleven million, one hundred eleven thousand, one hundred twenty-one".