221032704185140 has 12 divisors (see below), whose sum is σ = 464168678788836. Its totient is φ = 88413081674048.

The previous prime is 221032704185129. The next prime is 221032704185159. The reversal of 221032704185140 is 41581407230122.

It can be written as a sum of positive squares in 2 ways, for example, as 44023835422116 + 177008868763024 = 6635046^2 + 13304468^2 .

It is a junction number, because it is equal to n+sod(n) for n = 221032704185093 and 221032704185102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5525817604609 + ... + 5525817604648.

It is an arithmetic number, because the mean of its divisors is an integer number (38680723232403).

Almost surely, 2^{221032704185140} is an apocalyptic number.

221032704185140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221032704185140 is an abundant number, since it is smaller than the sum of its proper divisors (243135974603696).

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

221032704185140 is a wasteful number, since it uses less digits than its factorization.

221032704185140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11051635209266 (or 11051635209264 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 221032704185140 in words is "two hundred twenty-one trillion, thirty-two billion, seven hundred four million, one hundred eighty-five thousand, one hundred forty".