222102012123 has 16 divisors (see below), whose sum is σ = 332297844000. Its totient is φ = 146601986400.

The previous prime is 222102012113. The next prime is 222102012163. The reversal of 222102012123 is 321210201222.

It is not a de Polignac number, because 222102012123 - 2⁵ = 222102012091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222102012096 and 222102012105.

It is not an unprimeable number, because it can be changed into a prime (222102012113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40720048 + ... + 40725501.

It is an arithmetic number, because the mean of its divisors is an integer number (20768615250).

Almost surely, 2^222102012123 is an apocalyptic number.

222102012123 is a deficient number, since it is larger than the sum of its proper divisors (110195831877).

222102012123 is a wasteful number, since it uses less digits than its factorization.

222102012123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81445659 (or 81445653 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 222102012123 its reverse (321210201222), we get a palindrome (543312213345).

The spelling of 222102012123 in words is "two hundred twenty-two billion, one hundred two million, twelve thousand, one hundred twenty-three".