221133400321132 has 96 divisors (see below), whose sum is σ = 420146620717824. Its totient is φ = 101232488448000.

The previous prime is 221133400321073. The next prime is 221133400321159. The reversal of 221133400321132 is 231123004331122.

It is a super-2 number, since 2×221133400321132² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221133400321132.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25644597373 + ... + 25644605995.

It is an arithmetic number, because the mean of its divisors is an integer number (4376527299144).

Almost surely, 2^{221133400321132} is an apocalyptic number.

It is an amenable number.

221133400321132 is a deficient number, since it is larger than the sum of its proper divisors (199013220396692).

221133400321132 is a wasteful number, since it uses less digits than its factorization.

221133400321132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13979 (or 13977 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 221133400321132 its reverse (231123004331122), we get a palindrome (452256404652254).

The spelling of 221133400321132 in words is "two hundred twenty-one trillion, one hundred thirty-three billion, four hundred million, three hundred twenty-one thousand, one hundred thirty-two".