221133201132 has 12 divisors (see below), whose sum is σ = 515977469336. Its totient is φ = 73711067040.

The previous prime is 221133201119. The next prime is 221133201173. The reversal of 221133201132 is 231102331122.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 221133201099 and 221133201108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9213883369 + ... + 9213883392.

Almost surely, 2^221133201132 is an apocalyptic number.

It is an amenable number.

221133201132 is an abundant number, since it is smaller than the sum of its proper divisors (294844268204).

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

221133201132 is a wasteful number, since it uses less digits than its factorization.

221133201132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18427766768 (or 18427766766 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 221133201132 its reverse (231102331122), we get a palindrome (452235532254).

The spelling of 221133201132 in words is "two hundred twenty-one billion, one hundred thirty-three million, two hundred one thousand, one hundred thirty-two".