2122210202117 has 2 divisors, whose sum is σ = 2122210202118. Its totient is φ = 2122210202116.

The previous prime is 2122210202039. The next prime is 2122210202153. The reversal of 2122210202117 is 7112020122212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2116067718241 + 6142483876 = 1454671^2 + 78374^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122210202117 - 2¹² = 2122210198021 is a prime.

It is a super-2 number, since 2×2122210202117² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2122210202092 and 2122210202101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122210202617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061105101058 + 1061105101059.

It is an arithmetic number, because the mean of its divisors is an integer number (1061105101059).

Almost surely, 2^{2122210202117} is an apocalyptic number.

It is an amenable number.

2122210202117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122210202117 is an equidigital number, since it uses as much as digits as its factorization.

2122210202117 is an odious number, because the sum of its binary digits is odd.

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

Adding to 2122210202117 its reverse (7112020122212), we get a palindrome (9234230324329).

The spelling of 2122210202117 in words is "two trillion, one hundred twenty-two billion, two hundred ten million, two hundred two thousand, one hundred seventeen".