2112140451136 has 14 divisors (see below), whose sum is σ = 4191278707850. Its totient is φ = 1056070225536.

The previous prime is 2112140451103. The next prime is 2112140451139. The reversal of 2112140451136 is 6311540412112.

It can be written as a sum of positive squares in only one way, i.e., 1256515451136 + 855625000000 = 1120944^2 + 925000^2 .

It is a super-2 number, since 2×2112140451136² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112140451098 and 2112140451107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112140451139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16501097211 + ... + 16501097338.

Almost surely, 2^{2112140451136} is an apocalyptic number.

It is an amenable number.

2112140451136 is a deficient number, since it is larger than the sum of its proper divisors (2079138256714).

2112140451136 is an equidigital number, since it uses as much as digits as its factorization.

2112140451136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33002194561 (or 33002194551 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 2112140451136 its reverse (6311540412112), we get a palindrome (8423680863248).

The spelling of 2112140451136 in words is "two trillion, one hundred twelve billion, one hundred forty million, four hundred fifty-one thousand, one hundred thirty-six".