221101223132032 has 32 divisors (see below), whose sum is σ = 440478655043400. Its totient is φ = 110549717552640.

The previous prime is 221101223131981. The next prime is 221101223132093. The reversal of 221101223132032 is 230231322101122.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 221101223131988 and 221101223132006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9048594 + ... + 22892782.

Almost surely, 2^{221101223132032} is an apocalyptic number.

It is an amenable number.

221101223132032 is a deficient number, since it is larger than the sum of its proper divisors (219377431911368).

221101223132032 is a wasteful number, since it uses less digits than its factorization.

221101223132032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13968974 (or 13968962 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 221101223132032 its reverse (230231322101122), we get a palindrome (451332545233154).

The spelling of 221101223132032 in words is "two hundred twenty-one trillion, one hundred one billion, two hundred twenty-three million, one hundred thirty-two thousand, thirty-two".