1123101013120 has 64 divisors (see below), whose sum is σ = 2712593028600. Its totient is φ = 444609036288.

The previous prime is 1123101013091. The next prime is 1123101013193. The reversal of 1123101013120 is 213101013211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 999664028224 + 123436984896 = 999832^2 + 351336^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1123101013120² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1123101013094 and 1123101013103.

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, 8983515 + ... + 9107674.

Almost surely, 2^{1123101013120} is an apocalyptic number.

1123101013120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123101013120 is an abundant number, since it is smaller than the sum of its proper divisors (1589492015480).

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

1123101013120 is an equidigital number, since it uses as much as digits as its factorization.

1123101013120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18091305 (or 18091293 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1123101013120 its reverse (213101013211), we get a palindrome (1336202026331).

Subtracting from 1123101013120 its reverse (213101013211), we obtain a palindrome (909999999909).

The spelling of 1123101013120 in words is "one trillion, one hundred twenty-three billion, one hundred one million, thirteen thousand, one hundred twenty".