2123113120 has 48 divisors (see below), whose sum is σ = 5177668608. Its totient is φ = 821848320.

The previous prime is 2123113079. The next prime is 2123113121. The reversal of 2123113120 is 213113212.

It is a super-2 number, since 2×2123113120² = 9015218640632268800, which 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 = 2123113094 and 2123113103.

It is not an unprimeable number, because it can be changed into a prime (2123113121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209064 + ... + 218983.

It is an arithmetic number, because the mean of its divisors is an integer number (107868096).

Almost surely, 2^2123113120 is an apocalyptic number.

2123113120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123113120 is an abundant number, since it is smaller than the sum of its proper divisors (3054555488).

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

2123113120 is a wasteful number, since it uses less digits than its factorization.

2123113120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428093 (or 428085 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2123113120 is about 46077.2516541514. The cubic root of 2123113120 is about 1285.2601571700.

Adding to 2123113120 its reverse (213113212), we get a palindrome (2336226332).

The spelling of 2123113120 in words is "two billion, one hundred twenty-three million, one hundred thirteen thousand, one hundred twenty".