1123020111204 has 24 divisors (see below), whose sum is σ = 2911533621920. Its totient is φ = 374340037032.

The previous prime is 1123020111167. The next prime is 1123020111247. The reversal of 1123020111204 is 4021110203211.

It is a super-2 number, since 2×1123020111204² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 5199167074 + ... + 5199167289.

Almost surely, 2^{1123020111204} is an apocalyptic number.

It is an amenable number.

1123020111204 is an abundant number, since it is smaller than the sum of its proper divisors (1788513510716).

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

1123020111204 is a wasteful number, since it uses less digits than its factorization.

1123020111204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10398334376 (or 10398334368 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1123020111204 its reverse (4021110203211), we get a palindrome (5144130314415).

The spelling of 1123020111204 in words is "one trillion, one hundred twenty-three billion, twenty million, one hundred eleven thousand, two hundred four".