222220123123110 has 128 divisors (see below), whose sum is σ = 617001394867200. Its totient is φ = 50170734704640.

The previous prime is 222220123123091. The next prime is 222220123123151. The reversal of 222220123123110 is 11321321022222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12025546 + ... + 24270434.

It is an arithmetic number, because the mean of its divisors is an integer number (4820323397400).

Almost surely, 2^{222220123123110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222220123123110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308500697433600).

222220123123110 is an abundant number, since it is smaller than the sum of its proper divisors (394781271744090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222220123123110 is a wasteful number, since it uses less digits than its factorization.

222220123123110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12245966.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 222220123123110 its reverse (11321321022222), we get a palindrome (233541444145332).

The spelling of 222220123123110 in words is "two hundred twenty-two trillion, two hundred twenty billion, one hundred twenty-three million, one hundred twenty-three thousand, one hundred ten".