221313331133232 has 160 divisors (see below), whose sum is σ = 644610179808000. Its totient is φ = 64956109403136.

The previous prime is 221313331133201. The next prime is 221313331133357. The reversal of 221313331133232 is 232331133313122.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 221313331133193 and 221313331133202.

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, 72172482 + ... + 75176417.

It is an arithmetic number, because the mean of its divisors is an integer number (4028813623800).

Almost surely, 2^{221313331133232} is an apocalyptic number.

It is an amenable number.

221313331133232 is an abundant number, since it is smaller than the sum of its proper divisors (423296848674768).

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

221313331133232 is a wasteful number, since it uses less digits than its factorization.

221313331133232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147349035 (or 147349029 counting only the distinct ones).

The product of its digits is 34992, while the sum is 33.

Adding to 221313331133232 its reverse (232331133313122), we get a palindrome (453644464446354).

The spelling of 221313331133232 in words is "two hundred twenty-one trillion, three hundred thirteen billion, three hundred thirty-one million, one hundred thirty-three thousand, two hundred thirty-two".