22100220001 has 2 divisors, whose sum is σ = 22100220002. Its totient is φ = 22100220000.

The previous prime is 22100219971. The next prime is 22100220011. The reversal of 22100220001 is 10002200122.

It is an a-pointer prime, because the next prime (22100220011) can be obtained adding 22100220001 to its sum of digits (10).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12100220001 + 10000000000 = 110001^2 + 100000^2 .

It is a cyclic number.

It is not a de Polignac number, because 22100220001 - 2¹⁹ = 22099695713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22100220001.

It is not a weakly prime, because it can be changed into another prime (22100220011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050110000 + 11050110001.

It is an arithmetic number, because the mean of its divisors is an integer number (11050110001).

Almost surely, 2^22100220001 is an apocalyptic number.

It is an amenable number.

22100220001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22100220001 is an equidigital number, since it uses as much as digits as its factorization.

22100220001 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 10.

Adding to 22100220001 its reverse (10002200122), we get a palindrome (32102420123).

The spelling of 22100220001 in words is "twenty-two billion, one hundred million, two hundred twenty thousand, one".