22221012021127 has 2 divisors, whose sum is σ = 22221012021128. Its totient is φ = 22221012021126.

The previous prime is 22221012021011. The next prime is 22221012021137. The reversal of 22221012021127 is 72112021012222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22221012021127 - 2¹¹ = 22221012019079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22221012021137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110506010563 + 11110506010564.

It is an arithmetic number, because the mean of its divisors is an integer number (11110506010564).

Almost surely, 2^{22221012021127} is an apocalyptic number.

22221012021127 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221012021127 is an equidigital number, since it uses as much as digits as its factorization.

22221012021127 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 25.

Adding to 22221012021127 its reverse (72112021012222), we get a palindrome (94333033033349).

The spelling of 22221012021127 in words is "twenty-two trillion, two hundred twenty-one billion, twelve million, twenty-one thousand, one hundred twenty-seven".