22011200001 has 12 divisors (see below), whose sum is σ = 36335949312. Its totient is φ = 12577828536.

The previous prime is 22011199997. The next prime is 22011200011. The reversal of 22011200001 is 10000211022.

It is not a de Polignac number, because 22011200001 - 2² = 22011199997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22011200011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174692001 + ... + 174692126.

It is an arithmetic number, because the mean of its divisors is an integer number (3027995776).

Almost surely, 2^22011200001 is an apocalyptic number.

22011200001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22011200001 is a deficient number, since it is larger than the sum of its proper divisors (14324749311).

22011200001 is a wasteful number, since it uses less digits than its factorization.

22011200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349384140 (or 349384137 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 22011200001 its reverse (10000211022), we get a palindrome (32011411023).

The spelling of 22011200001 in words is "twenty-two billion, eleven million, two hundred thousand, one".