22112121127 has 2 divisors, whose sum is σ = 22112121128. Its totient is φ = 22112121126.

The previous prime is 22112121079. The next prime is 22112121151. The reversal of 22112121127 is 72112121122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22112121127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22112121098 and 22112121107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22112121197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056060563 + 11056060564.

It is an arithmetic number, because the mean of its divisors is an integer number (11056060564).

Almost surely, 2^22112121127 is an apocalyptic number.

22112121127 is a deficient number, since it is larger than the sum of its proper divisors (1).

22112121127 is an equidigital number, since it uses as much as digits as its factorization.

22112121127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 224, while the sum is 22.

Adding to 22112121127 its reverse (72112121122), we get a palindrome (94224242249).

The spelling of 22112121127 in words is "twenty-two billion, one hundred twelve million, one hundred twenty-one thousand, one hundred twenty-seven".