22011134200 has 144 divisors (see below), whose sum is σ = 59561187840. Its totient is φ = 7533081600.

The previous prime is 22011134153. The next prime is 22011134219. The reversal of 22011134200 is 243111022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 384649 + ... + 438151.

It is an arithmetic number, because the mean of its divisors is an integer number (413619360).

Almost surely, 2^22011134200 is an apocalyptic number.

22011134200 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 22011134200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29780593920).

22011134200 is an abundant number, since it is smaller than the sum of its proper divisors (37550053640).

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

22011134200 is a wasteful number, since it uses less digits than its factorization.

22011134200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53558 (or 53538 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22011134200 its reverse (243111022), we get a palindrome (22254245222).

The spelling of 22011134200 in words is "twenty-two billion, eleven million, one hundred thirty-four thousand, two hundred".