22111100012000 has 96 divisors (see below), whose sum is σ = 54328631745024. Its totient is φ = 8844169920000.

The previous prime is 22111100011991. The next prime is 22111100012003. The reversal of 22111100012000 is 21000111122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111100012003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177749825 + ... + 177874175.

It is an arithmetic number, because the mean of its divisors is an integer number (565923247344).

Almost surely, 2^{22111100012000} is an apocalyptic number.

22111100012000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22111100012000 is an abundant number, since it is smaller than the sum of its proper divisors (32217531733024).

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

22111100012000 is a wasteful number, since it uses less digits than its factorization.

22111100012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168829 (or 168811 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22111100012000 its reverse (21000111122), we get a palindrome (22132100123122).

The spelling of 22111100012000 in words is "twenty-two trillion, one hundred eleven billion, one hundred million, twelve thousand".