22122220111127 has 2 divisors, whose sum is σ = 22122220111128. Its totient is φ = 22122220111126.

The previous prime is 22122220111049. The next prime is 22122220111151. The reversal of 22122220111127 is 72111102222122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22122220111127 - 2⁸ = 22122220110871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22122220111096 and 22122220111105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22122220111157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061110055563 + 11061110055564.

It is an arithmetic number, because the mean of its divisors is an integer number (11061110055564).

Almost surely, 2^{22122220111127} is an apocalyptic number.

22122220111127 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122220111127 is an equidigital number, since it uses as much as digits as its factorization.

22122220111127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 26.

Adding to 22122220111127 its reverse (72111102222122), we get a palindrome (94233322333249).

The spelling of 22122220111127 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred twenty million, one hundred eleven thousand, one hundred twenty-seven".