2121112132232 has 32 divisors (see below), whose sum is σ = 4218591789720. Its totient is φ = 996378332160.

The previous prime is 2121112132207. The next prime is 2121112132253. The reversal of 2121112132232 is 2322312111212.

It can be written as a sum of positive squares in 4 ways, for example, as 2091222563236 + 29889568996 = 1446106^2 + 172886^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2121112132198 and 2121112132207.

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, 13924619 + ... + 14076122.

Almost surely, 2^{2121112132232} is an apocalyptic number.

It is an amenable number.

2121112132232 is a deficient number, since it is larger than the sum of its proper divisors (2097479657488).

2121112132232 is a wasteful number, since it uses less digits than its factorization.

2121112132232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28001321 (or 28001317 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

Adding to 2121112132232 its reverse (2322312111212), we get a palindrome (4443424243444).

The spelling of 2121112132232 in words is "two trillion, one hundred twenty-one billion, one hundred twelve million, one hundred thirty-two thousand, two hundred thirty-two".