2132101221 has 8 divisors (see below), whose sum is σ = 2843051040. Its totient is φ = 1421276112.

The previous prime is 2132101211. The next prime is 2132101259. The reversal of 2132101221 is 1221012312.

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

It is not a de Polignac number, because 2132101221 - 2¹⁴ = 2132084837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2132101221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132101211) 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, 21370 + ... + 68708.

It is an arithmetic number, because the mean of its divisors is an integer number (355381380).

Almost surely, 2^2132101221 is an apocalyptic number.

It is an amenable number.

2132101221 is a deficient number, since it is larger than the sum of its proper divisors (710949819).

2132101221 is a wasteful number, since it uses less digits than its factorization.

2132101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62355.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2132101221 is about 46174.6816015011. The cubic root of 2132101221 is about 1287.0713002098.

Adding to 2132101221 its reverse (1221012312), we get a palindrome (3353113533).

The spelling of 2132101221 in words is "two billion, one hundred thirty-two million, one hundred one thousand, two hundred twenty-one".