22100110001 has 2 divisors, whose sum is σ = 22100110002. Its totient is φ = 22100110000.

The previous prime is 22100109989. The next prime is 22100110033. The reversal of 22100110001 is 10001100122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21940719376 + 159390625 = 148124^2 + 12625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22100110001 is a prime.

It is not a weakly prime, because it can be changed into another prime (22100110061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050055000 + 11050055001.

It is an arithmetic number, because the mean of its divisors is an integer number (11050055001).

Almost surely, 2^22100110001 is an apocalyptic number.

It is an amenable number.

22100110001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22100110001 is an equidigital number, since it uses as much as digits as its factorization.

22100110001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 22100110001 its reverse (10001100122), we get a palindrome (32101210123).

The spelling of 22100110001 in words is "twenty-two billion, one hundred million, one hundred ten thousand, one".