221120322132 has 96 divisors (see below), whose sum is σ = 524801665024. Its totient is φ = 72454435200.

The previous prime is 221120322131. The next prime is 221120322133. The reversal of 221120322132 is 231223021122.

It is an interprime number because it is at equal distance from previous prime (221120322131) and next prime (221120322133).

It is a junction number, because it is equal to n+sod(n) for n = 221120322099 and 221120322108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221120322131) 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, 127006782 + ... + 127008522.

Almost surely, 2^221120322132 is an apocalyptic number.

It is an amenable number.

221120322132 is an abundant number, since it is smaller than the sum of its proper divisors (303681342892).

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

221120322132 is a wasteful number, since it uses less digits than its factorization.

221120322132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549 (or 2547 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 221120322132 its reverse (231223021122), we get a palindrome (452343343254).

The spelling of 221120322132 in words is "two hundred twenty-one billion, one hundred twenty million, three hundred twenty-two thousand, one hundred thirty-two".