22211200001 has 2 divisors, whose sum is σ = 22211200002. Its totient is φ = 22211200000.

The previous prime is 22211199931. The next prime is 22211200031. The reversal of 22211200001 is 10000211222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19251840001 + 2959360000 = 138751^2 + 54400^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22211200001 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22211200031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105600000 + 11105600001.

It is an arithmetic number, because the mean of its divisors is an integer number (11105600001).

Almost surely, 2^22211200001 is an apocalyptic number.

It is an amenable number.

22211200001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22211200001 is an equidigital number, since it uses as much as digits as its factorization.

22211200001 is an evil number, because the sum of its binary digits is even.

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

Adding to 22211200001 its reverse (10000211222), we get a palindrome (32211411223).

The spelling of 22211200001 in words is "twenty-two billion, two hundred eleven million, two hundred thousand, one".