2132207421 has 8 divisors (see below), whose sum is σ = 2846279520. Its totient is φ = 1419803472.

The previous prime is 2132207411. The next prime is 2132207447. The reversal of 2132207421 is 1247022312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2132207421 - 2¹⁰ = 2132206397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2132207391 and 2132207400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132207411) 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, 414051 + ... + 419168.

It is an arithmetic number, because the mean of its divisors is an integer number (355784940).

Almost surely, 2^2132207421 is an apocalyptic number.

It is an amenable number.

2132207421 is a deficient number, since it is larger than the sum of its proper divisors (714072099).

2132207421 is an equidigital number, since it uses as much as digits as its factorization.

2132207421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834075.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 2132207421 is about 46175.8315680400. The cubic root of 2132207421 is about 1287.0926695365.

Adding to 2132207421 its reverse (1247022312), we get a palindrome (3379229733).

The spelling of 2132207421 in words is "two billion, one hundred thirty-two million, two hundred seven thousand, four hundred twenty-one".