23111211331200 has 96 divisors (see below), whose sum is σ = 76122552353760. Its totient is φ = 6162989685760.

The previous prime is 23111211331097. The next prime is 23111211331213. The reversal of 23111211331200 is 213311211132.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1203699324 + ... + 1203718523.

It is an arithmetic number, because the mean of its divisors is an integer number (792943253685).

Almost surely, 2^{23111211331200} is an apocalyptic number.

23111211331200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23111211331200 is an abundant number, since it is smaller than the sum of its proper divisors (53011341022560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23111211331200 is a wasteful number, since it uses less digits than its factorization.

23111211331200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407417874 (or 2407417857 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 23111211331200 its reverse (213311211132), we get a palindrome (23324522542332).

The spelling of 23111211331200 in words is "twenty-three trillion, one hundred eleven billion, two hundred eleven million, three hundred thirty-one thousand, two hundred".