22201011112 has 128 divisors (see below), whose sum is σ = 49445510400. Its totient is φ = 9148704768.

The previous prime is 22201011089. The next prime is 22201011113. The reversal of 22201011112 is 21111010222.

It is a junction number, because it is equal to n+sod(n) for n = 22201011092 and 22201011101.

It is not an unprimeable number, because it can be changed into a prime (22201011113) 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, 57071814 + ... + 57072202.

It is an arithmetic number, because the mean of its divisors is an integer number (386293050).

Almost surely, 2^22201011112 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 22201011112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24722755200).

22201011112 is an abundant number, since it is smaller than the sum of its proper divisors (27244499288).

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

22201011112 is a wasteful number, since it uses less digits than its factorization.

22201011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755 (or 751 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22201011112 its reverse (21111010222), we get a palindrome (43312021334).

The spelling of 22201011112 in words is "twenty-two billion, two hundred one million, eleven thousand, one hundred twelve".