22201112000 has 112 divisors (see below), whose sum is σ = 55264068288. Its totient is φ = 8834739200.

The previous prime is 22201111973. The next prime is 22201112009. The reversal of 22201112000 is 21110222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201112009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1568957 + ... + 1583043.

Almost surely, 2^22201112000 is an apocalyptic number.

22201112000 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 22201112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27632034144).

22201112000 is an abundant number, since it is smaller than the sum of its proper divisors (33062956288).

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

22201112000 is a wasteful number, since it uses less digits than its factorization.

22201112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14311 (or 14291 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22201112000 its reverse (21110222), we get a palindrome (22222222222).

The spelling of 22201112000 in words is "twenty-two billion, two hundred one million, one hundred twelve thousand".