22011224117 has 2 divisors, whose sum is σ = 22011224118. Its totient is φ = 22011224116.

The previous prime is 22011224087. The next prime is 22011224129. The reversal of 22011224117 is 71142211022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21864353956 + 146870161 = 147866^2 + 12119^2 .

It is a cyclic number.

It is not a de Polignac number, because 22011224117 - 2²⁰ = 22010175541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22011224092 and 22011224101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22011224197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005612058 + 11005612059.

It is an arithmetic number, because the mean of its divisors is an integer number (11005612059).

Almost surely, 2^22011224117 is an apocalyptic number.

It is an amenable number.

22011224117 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011224117 is an equidigital number, since it uses as much as digits as its factorization.

22011224117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 22011224117 its reverse (71142211022), we get a palindrome (93153435139).

The spelling of 22011224117 in words is "twenty-two billion, eleven million, two hundred twenty-four thousand, one hundred seventeen".