221120222221127 has 2 divisors, whose sum is σ = 221120222221128. Its totient is φ = 221120222221126.

The previous prime is 221120222221057. The next prime is 221120222221183. The reversal of 221120222221127 is 721122222021122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221120222221127 - 2¹⁸ = 221120221958983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221120222221127.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221120222223127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110560111110563 + 110560111110564.

It is an arithmetic number, because the mean of its divisors is an integer number (110560111110564).

Almost surely, 2^{221120222221127} is an apocalyptic number.

221120222221127 is a deficient number, since it is larger than the sum of its proper divisors (1).

221120222221127 is an equidigital number, since it uses as much as digits as its factorization.

221120222221127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 29.

Adding to 221120222221127 its reverse (721122222021122), we get a palindrome (942242444242249).

The spelling of 221120222221127 in words is "two hundred twenty-one trillion, one hundred twenty billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty-seven".