221132064032 has 48 divisors (see below), whose sum is σ = 477775392192. Its totient is φ = 99912664320.

The previous prime is 221132063959. The next prime is 221132064067. The reversal of 221132064032 is 230460231122.

It is a junction number, because it is equal to n+sod(n) for n = 221132063992 and 221132064010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1822103 + ... + 1939670.

It is an arithmetic number, because the mean of its divisors is an integer number (9953654004).

Almost surely, 2^221132064032 is an apocalyptic number.

221132064032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

221132064032 is an abundant number, since it is smaller than the sum of its proper divisors (256643328160).

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

221132064032 is a wasteful number, since it uses less digits than its factorization.

221132064032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3761961 (or 3761953 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 221132064032 its reverse (230460231122), we get a palindrome (451592295154).

The spelling of 221132064032 in words is "two hundred twenty-one billion, one hundred thirty-two million, sixty-four thousand, thirty-two".