22101109001 has 2 divisors, whose sum is σ = 22101109002. Its totient is φ = 22101109000.

The previous prime is 22101108983. The next prime is 22101109007. The reversal of 22101109001 is 10090110122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19265440000 + 2835669001 = 138800^2 + 53251^2 .

It is a cyclic number.

It is not a de Polignac number, because 22101109001 - 2¹⁴ = 22101092617 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 (22101109007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050554500 + 11050554501.

It is an arithmetic number, because the mean of its divisors is an integer number (11050554501).

Almost surely, 2^22101109001 is an apocalyptic number.

It is an amenable number.

22101109001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22101109001 is an equidigital number, since it uses as much as digits as its factorization.

22101109001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 22101109001 its reverse (10090110122), we get a palindrome (32191219123).

The spelling of 22101109001 in words is "twenty-two billion, one hundred one million, one hundred nine thousand, one".