22001222000112 has 80 divisors (see below), whose sum is σ = 58195297488768. Its totient is φ = 7158627866880.

The previous prime is 22001222000083. The next prime is 22001222000203. The reversal of 22001222000112 is 21100022210022.

It is a junction number, because it is equal to n+sod(n) for n = 22001222000091 and 22001222000100.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 150043 + ... + 6635130.

Almost surely, 2^{22001222000112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22001222000112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29097648744384).

22001222000112 is an abundant number, since it is smaller than the sum of its proper divisors (36194075488656).

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

22001222000112 is a wasteful number, since it uses less digits than its factorization.

22001222000112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6786798 (or 6786792 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22001222000112 its reverse (21100022210022), we get a palindrome (43101244210134).

The spelling of 22001222000112 in words is "twenty-two trillion, one billion, two hundred twenty-two million, one hundred twelve", and thus it is an aban number.