22011020111117 has 2 divisors, whose sum is σ = 22011020111118. Its totient is φ = 22011020111116.

The previous prime is 22011020111081. The next prime is 22011020111153. The reversal of 22011020111117 is 71111102011022.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (22011020111081) and next prime (22011020111153).

It can be written as a sum of positive squares in only one way, i.e., 16466601104836 + 5544419006281 = 4057906^2 + 2354659^2 .

It is a cyclic number.

It is not a de Polignac number, because 22011020111117 - 2⁸ = 22011020110861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22011020111617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005510055558 + 11005510055559.

It is an arithmetic number, because the mean of its divisors is an integer number (11005510055559).

Almost surely, 2^{22011020111117} is an apocalyptic number.

It is an amenable number.

22011020111117 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011020111117 is an equidigital number, since it uses as much as digits as its factorization.

22011020111117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 20.

Adding to 22011020111117 its reverse (71111102011022), we get a palindrome (93122122122139).

The spelling of 22011020111117 in words is "twenty-two trillion, eleven billion, twenty million, one hundred eleven thousand, one hundred seventeen".