222000121222123 has 4 divisors (see below), whose sum is σ = 225639467471728. Its totient is φ = 218360774972520.

The previous prime is 222000121222031. The next prime is 222000121222127. The reversal of 222000121222123 is 321222121000222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222000121222123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222000121222094 and 222000121222103.

It is not an unprimeable number, because it can be changed into a prime (222000121222127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1819673124711 + ... + 1819673124832.

It is an arithmetic number, because the mean of its divisors is an integer number (56409866867932).

Almost surely, 2^{222000121222123} is an apocalyptic number.

222000121222123 is a deficient number, since it is larger than the sum of its proper divisors (3639346249605).

222000121222123 is an equidigital number, since it uses as much as digits as its factorization.

222000121222123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3639346249604.

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

Adding to 222000121222123 its reverse (321222121000222), we get a palindrome (543222242222345).

The spelling of 222000121222123 in words is "two hundred twenty-two trillion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred twenty-three".