22101220222000 has 160 divisors (see below), whose sum is σ = 53550547974144. Its totient is φ = 8822341088000.

The previous prime is 22101220221929. The next prime is 22101220222007. The reversal of 22101220222000 is 22202210122.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (22101220222007) 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, 3014758335 + ... + 3014765665.

Almost surely, 2^{22101220222000} is an apocalyptic number.

22101220222000 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 22101220222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26775273987072).

22101220222000 is an abundant number, since it is smaller than the sum of its proper divisors (31449327752144).

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

22101220222000 is a wasteful number, since it uses less digits than its factorization.

22101220222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10244 (or 10228 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22101220222000 its reverse (22202210122), we get a palindrome (22123422432122).

The spelling of 22101220222000 in words is "twenty-two trillion, one hundred one billion, two hundred twenty million, two hundred twenty-two thousand".