221130440415352 has 64 divisors (see below), whose sum is σ = 447268819032000. Its totient is φ = 101887579745280.

The previous prime is 221130440415343. The next prime is 221130440415403. The reversal of 221130440415352 is 253514044031122.

221130440415352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467347852 + ... + 467820772.

It is an arithmetic number, because the mean of its divisors is an integer number (6988575297375).

Almost surely, 2^{221130440415352} is an apocalyptic number.

It is an amenable number.

221130440415352 is an abundant number, since it is smaller than the sum of its proper divisors (226138378616648).

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

221130440415352 is a wasteful number, since it uses less digits than its factorization.

221130440415352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480536 (or 480532 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 221130440415352 its reverse (253514044031122), we get a palindrome (474644484446474).

The spelling of 221130440415352 in words is "two hundred twenty-one trillion, one hundred thirty billion, four hundred forty million, four hundred fifteen thousand, three hundred fifty-two".