22001112111000 has 512 divisors, whose sum is σ = 78852953088000. Its totient is φ = 5051097792000.

The previous prime is 22001112110959. The next prime is 22001112111023. The reversal of 22001112111000 is 11121110022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2720548957 + ... + 2720557043.

It is an arithmetic number, because the mean of its divisors is an integer number (154009674000).

Almost surely, 2^{22001112111000} is an apocalyptic number.

22001112111000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22001112111000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39426476544000).

22001112111000 is an abundant number, since it is smaller than the sum of its proper divisors (56851840977000).

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

22001112111000 is a wasteful number, since it uses less digits than its factorization.

22001112111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12480 (or 12466 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 22001112111000 its reverse (11121110022), we get a palindrome (22012233221022).

It can be divided in two parts, 2 and 2001112111000, that added together give a palindrome (2001112111002).

The spelling of 22001112111000 in words is "twenty-two trillion, one billion, one hundred twelve million, one hundred eleven thousand".