11123111022 has 16 divisors (see below), whose sum is σ = 22279885392. Its totient is φ = 3702093120.

The previous prime is 11123111017. The next prime is 11123111093. The reversal of 11123111022 is 22011132111.

It is a junction number, because it is equal to n+sod(n) for n = 11123110992 and 11123111010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1398343 + ... + 1406274.

It is an arithmetic number, because the mean of its divisors is an integer number (1392492837).

Almost surely, 2^11123111022 is an apocalyptic number.

11123111022 is an abundant number, since it is smaller than the sum of its proper divisors (11156774370).

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

11123111022 is a wasteful number, since it uses less digits than its factorization.

11123111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805283.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11123111022 its reverse (22011132111), we get a palindrome (33134243133).

The spelling of 11123111022 in words is "eleven billion, one hundred twenty-three million, one hundred eleven thousand, twenty-two".