23111220200010 has 32 divisors (see below), whose sum is σ = 57878534067840. Its totient is φ = 5895035876928.

The previous prime is 23111220199961. The next prime is 23111220200011. The reversal of 23111220200010 is 1000202211132.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (23111220200011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16747260325 + ... + 16747261704.

It is an arithmetic number, because the mean of its divisors is an integer number (1808704189620).

Almost surely, 2^{23111220200010} is an apocalyptic number.

23111220200010 is an abundant number, since it is smaller than the sum of its proper divisors (34767313867830).

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

23111220200010 is a wasteful number, since it uses less digits than its factorization.

23111220200010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33494522062.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 23111220200010 its reverse (1000202211132), we get a palindrome (24111422411142).

The spelling of 23111220200010 in words is "twenty-three trillion, one hundred eleven billion, two hundred twenty million, two hundred thousand, ten".