22001101217 has 2 divisors, whose sum is σ = 22001101218. Its totient is φ = 22001101216.

The previous prime is 22001101139. The next prime is 22001101219. The reversal of 22001101217 is 71210110022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14650439521 + 7350661696 = 121039^2 + 85736^2 .

It is a cyclic number.

It is not a de Polignac number, because 22001101217 - 2¹⁰ = 22001100193 is a prime.

Together with 22001101219, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22001101195 and 22001101204.

It is not a weakly prime, because it can be changed into another prime (22001101219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000550608 + 11000550609.

It is an arithmetic number, because the mean of its divisors is an integer number (11000550609).

Almost surely, 2^22001101217 is an apocalyptic number.

It is an amenable number.

22001101217 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001101217 is an equidigital number, since it uses as much as digits as its factorization.

22001101217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 22001101217 its reverse (71210110022), we get a palindrome (93211211239).

The spelling of 22001101217 in words is "twenty-two billion, one million, one hundred one thousand, two hundred seventeen".