222120211127 has 2 divisors, whose sum is σ = 222120211128. Its totient is φ = 222120211126.

The previous prime is 222120211099. The next prime is 222120211163. The reversal of 222120211127 is 721112021222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222120211127 - 2¹⁴ = 222120194743 is a prime.

It is a super-2 number, since 2×222120211127² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222120241127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060105563 + 111060105564.

It is an arithmetic number, because the mean of its divisors is an integer number (111060105564).

Almost surely, 2^222120211127 is an apocalyptic number.

222120211127 is a deficient number, since it is larger than the sum of its proper divisors (1).

222120211127 is an equidigital number, since it uses as much as digits as its factorization.

222120211127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 222120211127 its reverse (721112021222), we get a palindrome (943232232349).

The spelling of 222120211127 in words is "two hundred twenty-two billion, one hundred twenty million, two hundred eleven thousand, one hundred twenty-seven".