2130421332 has 48 divisors (see below), whose sum is σ = 5377038912. Its totient is φ = 652615680.

The previous prime is 2130421331. The next prime is 2130421333. The reversal of 2130421332 is 2331240312.

It is an interprime number because it is at equal distance from previous prime (2130421331) and next prime (2130421333).

It is a junction number, because it is equal to n+sod(n) for n = 2130421299 and 2130421308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130421331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5332 + ... + 65492.

It is an arithmetic number, because the mean of its divisors is an integer number (112021644).

Almost surely, 2^2130421332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2130421332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2688519456).

2130421332 is an abundant number, since it is smaller than the sum of its proper divisors (3246617580).

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

2130421332 is a wasteful number, since it uses less digits than its factorization.

2130421332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60408 (or 60406 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2130421332 is about 46156.4874313460. The cubic root of 2130421332 is about 1286.7331822695.

Adding to 2130421332 its reverse (2331240312), we get a palindrome (4461661644).

The spelling of 2130421332 in words is "two billion, one hundred thirty million, four hundred twenty-one thousand, three hundred thirty-two".