221032130332 has 36 divisors (see below), whose sum is σ = 423167507616. Its totient is φ = 100963100160.

The previous prime is 221032130311. The next prime is 221032130359. The reversal of 221032130332 is 233031230122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1619844 + ... + 1750987.

Almost surely, 2^221032130332 is an apocalyptic number.

It is an amenable number.

221032130332 is a deficient number, since it is larger than the sum of its proper divisors (202135377284).

221032130332 is a wasteful number, since it uses less digits than its factorization.

221032130332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370958 (or 3370943 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 221032130332 its reverse (233031230122), we get a palindrome (454063360454).

The spelling of 221032130332 in words is "two hundred twenty-one billion, thirty-two million, one hundred thirty thousand, three hundred thirty-two".