222120200122123 has 2 divisors, whose sum is σ = 222120200122124. Its totient is φ = 222120200122122.

The previous prime is 222120200122097. The next prime is 222120200122129. The reversal of 222120200122123 is 321221002021222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222120200122123 - 2¹⁷ = 222120199991051 is a prime.

It is a super-2 number, since 2×222120200122123² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222120200122094 and 222120200122103.

It is not a weakly prime, because it can be changed into another prime (222120200122129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060100061061 + 111060100061062.

It is an arithmetic number, because the mean of its divisors is an integer number (111060100061062).

Almost surely, 2^{222120200122123} is an apocalyptic number.

222120200122123 is a deficient number, since it is larger than the sum of its proper divisors (1).

222120200122123 is an equidigital number, since it uses as much as digits as its factorization.

222120200122123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 222120200122123 its reverse (321221002021222), we get a palindrome (543341202143345).

The spelling of 222120200122123 in words is "two hundred twenty-two trillion, one hundred twenty billion, two hundred million, one hundred twenty-two thousand, one hundred twenty-three".