23211133121200 has 30 divisors (see below), whose sum is σ = 55764747324644. Its totient is φ = 9284453248320.

The previous prime is 23211133121177. The next prime is 23211133121203. The reversal of 23211133121200 is 212133111232.

It is not an unprimeable number, because it can be changed into a prime (23211133121203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29013916002 + ... + 29013916801.

Almost surely, 2^{23211133121200} is an apocalyptic number.

23211133121200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23211133121200 is an abundant number, since it is smaller than the sum of its proper divisors (32553614203444).

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

23211133121200 is a wasteful number, since it uses less digits than its factorization.

23211133121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58027832821 (or 58027832810 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 23211133121200 its reverse (212133111232), we get a palindrome (23423266232432).

The spelling of 23211133121200 in words is "twenty-three trillion, two hundred eleven billion, one hundred thirty-three million, one hundred twenty-one thousand, two hundred".