1123010510020 has 48 divisors (see below), whose sum is σ = 2695318899840. Its totient is φ = 385018792704.

The previous prime is 1123010509993. The next prime is 1123010510071. The reversal of 1123010510020 is 200150103211.

It is a super-2 number, since 2×1123010510020² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123010509976 and 1123010510003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4437952 + ... + 4684168.

It is an arithmetic number, because the mean of its divisors is an integer number (56152477080).

Almost surely, 2^{1123010510020} is an apocalyptic number.

1123010510020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123010510020 is an abundant number, since it is smaller than the sum of its proper divisors (1572308389820).

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

1123010510020 is a wasteful number, since it uses less digits than its factorization.

1123010510020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278812 (or 278810 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 1123010510020 its reverse (200150103211), we get a palindrome (1323160613231).

The spelling of 1123010510020 in words is "one trillion, one hundred twenty-three billion, ten million, five hundred ten thousand, twenty".