222002011123 has 16 divisors (see below), whose sum is σ = 228003175296. Its totient is φ = 216074926080.

The previous prime is 222002011103. The next prime is 222002011129. The reversal of 222002011123 is 321110200222.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222002011123 is a prime.

It is a super-2 number, since 2×222002011123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222002011097 and 222002011106.

It is not an unprimeable number, because it can be changed into a prime (222002011129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3313411 + ... + 3379747.

It is an arithmetic number, because the mean of its divisors is an integer number (14250198456).

Almost surely, 2^222002011123 is an apocalyptic number.

222002011123 is a deficient number, since it is larger than the sum of its proper divisors (6001164173).

222002011123 is a wasteful number, since it uses less digits than its factorization.

222002011123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66894.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 222002011123 its reverse (321110200222), we get a palindrome (543112211345).

The spelling of 222002011123 in words is "two hundred twenty-two billion, two million, eleven thousand, one hundred twenty-three".