32130102221 has 32 divisors (see below), whose sum is σ = 39583821312. Its totient is φ = 25453854720.

The previous prime is 32130102139. The next prime is 32130102229. The reversal of 32130102221 is 12220103123.

It is not a de Polignac number, because 32130102221 - 2¹⁸ = 32129840077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 32130102221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32130102229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2163995 + ... + 2178791.

It is an arithmetic number, because the mean of its divisors is an integer number (1236994416).

Almost surely, 2^32130102221 is an apocalyptic number.

It is an amenable number.

32130102221 is a deficient number, since it is larger than the sum of its proper divisors (7453719091).

32130102221 is a wasteful number, since it uses less digits than its factorization.

32130102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15149.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 32130102221 its reverse (12220103123), we get a palindrome (44350205344).

The spelling of 32130102221 in words is "thirty-two billion, one hundred thirty million, one hundred two thousand, two hundred twenty-one".