23211100012818 has 16 divisors (see below), whose sum is σ = 46422248072256. Its totient is φ = 7737025329840.

The previous prime is 23211100012817. The next prime is 23211100012853. The reversal of 23211100012818 is 81821000111232.

It is a super-2 number, since 2×23211100012818² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23211100012817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8585083 + ... + 10960193.

It is an arithmetic number, because the mean of its divisors is an integer number (2901390504516).

Almost surely, 2^{23211100012818} is an apocalyptic number.

23211100012818 is an abundant number, since it is smaller than the sum of its proper divisors (23211148059438).

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

23211100012818 is a wasteful number, since it uses less digits than its factorization.

23211100012818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4003889.

The product of its (nonzero) digits is 1536, while the sum is 30.

The spelling of 23211100012818 in words is "twenty-three trillion, two hundred eleven billion, one hundred million, twelve thousand, eight hundred eighteen".