22111120200018 has 64 divisors (see below), whose sum is σ = 46617963264000. Its totient is φ = 6972227959104.

The previous prime is 22111120200011. The next prime is 22111120200031. The reversal of 22111120200018 is 81000202111122.

It is a junction number, because it is equal to n+sod(n) for n = 22111120199967 and 22111120200003.

It is not an unprimeable number, because it can be changed into a prime (22111120200011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 391132071 + ... + 391188597.

It is an arithmetic number, because the mean of its divisors is an integer number (728405676000).

Almost surely, 2^{22111120200018} is an apocalyptic number.

22111120200018 is an abundant number, since it is smaller than the sum of its proper divisors (24506843063982).

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

22111120200018 is a wasteful number, since it uses less digits than its factorization.

22111120200018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61519.

The product of its (nonzero) digits is 128, while the sum is 21.

The spelling of 22111120200018 in words is "twenty-two trillion, one hundred eleven billion, one hundred twenty million, two hundred thousand, eighteen".