1123123111022 has 96 divisors (see below), whose sum is σ = 1897495891200. Its totient is φ = 498091524480.

The previous prime is 1123123111013. The next prime is 1123123111027. The reversal of 1123123111022 is 2201113213211.

It is a super-2 number, since 2×1123123111022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123123110985 and 1123123111003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123123111027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 769788929 + ... + 769790387.

It is an arithmetic number, because the mean of its divisors is an integer number (19765582200).

Almost surely, 2^{1123123111022} is an apocalyptic number.

1123123111022 is a deficient number, since it is larger than the sum of its proper divisors (774372780178).

1123123111022 is a wasteful number, since it uses less digits than its factorization.

1123123111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022 (or 2011 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1123123111022 its reverse (2201113213211), we get a palindrome (3324236324233).

The spelling of 1123123111022 in words is "one trillion, one hundred twenty-three billion, one hundred twenty-three million, one hundred eleven thousand, twenty-two".