2222222201123 has 16 divisors (see below), whose sum is σ = 2416778188800. Its totient is φ = 2035546251840.

The previous prime is 2222222201077. The next prime is 2222222201159. The reversal of 2222222201123 is 3211022222222.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2222222201123 is a prime.

It is a super-2 number, since 2×2222222201123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222222201183) 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, 1005911 + ... + 2335872.

It is an arithmetic number, because the mean of its divisors is an integer number (151048636800).

Almost surely, 2^{2222222201123} is an apocalyptic number.

2222222201123 is a deficient number, since it is larger than the sum of its proper divisors (194555987677).

2222222201123 is a wasteful number, since it uses less digits than its factorization.

2222222201123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342962.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 2222222201123 its reverse (3211022222222), we get a palindrome (5433244423345).

The spelling of 2222222201123 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred one thousand, one hundred twenty-three".