22110212002000 has 160 divisors (see below), whose sum is σ = 56723624455680. Its totient is φ = 8306746214400.

The previous prime is 22110212001991. The next prime is 22110212002007. The reversal of 22110212002000 is 20021201122.

It is a happy number.

It is a super-2 number, since 2×22110212002000² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110212002007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15890341 + ... + 17225659.

It is an arithmetic number, because the mean of its divisors is an integer number (354522652848).

Almost surely, 2^{22110212002000} is an apocalyptic number.

22110212002000 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 22110212002000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28361812227840).

22110212002000 is an abundant number, since it is smaller than the sum of its proper divisors (34613412453680).

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

22110212002000 is a wasteful number, since it uses less digits than its factorization.

22110212002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335846 (or 1335830 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22110212002000 its reverse (20021201122), we get a palindrome (22130233203122).

The spelling of 22110212002000 in words is "twenty-two trillion, one hundred ten billion, two hundred twelve million, two thousand".