22111101210000 has 800 divisors, whose sum is σ = 80227218272256. Its totient is φ = 5198688000000.

The previous prime is 22111101209999. The next prime is 22111101210041. The reversal of 22111101210000 is 1210111122.

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

It is an unprimeable number.

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 159 ways as a sum of consecutive naturals, for example, 4041507265 + ... + 4041512735.

Almost surely, 2^{22111101210000} is an apocalyptic number.

22111101210000 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 22111101210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40113609136128).

22111101210000 is an abundant number, since it is smaller than the sum of its proper divisors (58116117062256).

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

22111101210000 is a wasteful number, since it uses less digits than its factorization.

22111101210000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5881 (or 5860 counting only the distinct ones).

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

Adding to 22111101210000 its reverse (1210111122), we get a palindrome (22112311321122).

The spelling of 22111101210000 in words is "twenty-two trillion, one hundred eleven billion, one hundred one million, two hundred ten thousand".