2112113320 has 32 divisors (see below), whose sum is σ = 5031801000. Its totient is φ = 795148288.

The previous prime is 2112113309. The next prime is 2112113323. The reversal of 2112113320 is 233112112.

It can be written as a sum of positive squares in 4 ways, for example, as 1743396516 + 368716804 = 41754^2 + 19202^2 .

It is a super-2 number, since 2×2112113320² = 8922045353042844800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112113294 and 2112113303.

It is not an unprimeable number, because it can be changed into a prime (2112113323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1552345 + ... + 1553704.

Almost surely, 2^2112113320 is an apocalyptic number.

2112113320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112113320 is an abundant number, since it is smaller than the sum of its proper divisors (2919687680).

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

2112113320 is a wasteful number, since it uses less digits than its factorization.

2112113320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3106077 (or 3106073 counting only the distinct ones).

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

The square root of 2112113320 is about 45957.7340607650. The cubic root of 2112113320 is about 1283.0366784181.

Adding to 2112113320 its reverse (233112112), we get a palindrome (2345225432).

The spelling of 2112113320 in words is "two billion, one hundred twelve million, one hundred thirteen thousand, three hundred twenty".