2121130032 has 60 divisors (see below), whose sum is σ = 6374219256. Its totient is φ = 606036480.

The previous prime is 2121130031. The next prime is 2121130057. The reversal of 2121130032 is 2300311212.

It is a super-2 number, since 2×2121130032² = 8998385225304642048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2121129993 and 2121130020.

It is not an unprimeable number, because it can be changed into a prime (2121130031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 448569 + ... + 453272.

Almost surely, 2^2121130032 is an apocalyptic number.

It is an amenable number.

2121130032 is an abundant number, since it is smaller than the sum of its proper divisors (4253089224).

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

2121130032 is a wasteful number, since it uses less digits than its factorization.

2121130032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901866 (or 901853 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2121130032 is about 46055.7274614135. The cubic root of 2121130032 is about 1284.8598679369.

Adding to 2121130032 its reverse (2300311212), we get a palindrome (4421441244).

The spelling of 2121130032 in words is "two billion, one hundred twenty-one million, one hundred thirty thousand, thirty-two".