222001223311123 has 2 divisors, whose sum is σ = 222001223311124. Its totient is φ = 222001223311122.

The previous prime is 222001223311117. The next prime is 222001223311157. The reversal of 222001223311123 is 321113322100222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222001223311123 - 2⁹ = 222001223310611 is a prime.

It is a super-2 number, since 2×222001223311123² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222001223011123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111000611655561 + 111000611655562.

It is an arithmetic number, because the mean of its divisors is an integer number (111000611655562).

Almost surely, 2^{222001223311123} is an apocalyptic number.

222001223311123 is a deficient number, since it is larger than the sum of its proper divisors (1).

222001223311123 is an equidigital number, since it uses as much as digits as its factorization.

222001223311123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 222001223311123 its reverse (321113322100222), we get a palindrome (543114545411345).

The spelling of 222001223311123 in words is "two hundred twenty-two trillion, one billion, two hundred twenty-three million, three hundred eleven thousand, one hundred twenty-three".