22220011001112 has 256 divisors, whose sum is σ = 58298553169920. Its totient is φ = 7051333017600.

The previous prime is 22220011001099. The next prime is 22220011001119. The reversal of 22220011001112 is 21110011002222.

It is a junction number, because it is equal to n+sod(n) for n = 22220011001091 and 22220011001100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220011001119) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8477683162 + ... + 8477685782.

It is an arithmetic number, because the mean of its divisors is an integer number (227728723320).

Almost surely, 2^{22220011001112} 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 22220011001112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29149276584960).

22220011001112 is an abundant number, since it is smaller than the sum of its proper divisors (36078542168808).

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

22220011001112 is a wasteful number, since it uses less digits than its factorization.

22220011001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3954 (or 3950 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22220011001112 its reverse (21110011002222), we get a palindrome (43330022003334).

The spelling of 22220011001112 in words is "twenty-two trillion, two hundred twenty billion, eleven million, one thousand, one hundred twelve".