221052734050 has 12 divisors (see below), whose sum is σ = 411158085426. Its totient is φ = 88421093600.

The previous prime is 221052734033. The next prime is 221052734087. The reversal of 221052734050 is 50437250122.

221052734050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 216594367609 + 4458366441 = 465397^2 + 66771^2 .

It is a super-2 number, since 2×221052734050² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2210527291 + ... + 2210527390.

Almost surely, 2^221052734050 is an apocalyptic number.

221052734050 is a deficient number, since it is larger than the sum of its proper divisors (190105351376).

221052734050 is a wasteful number, since it uses less digits than its factorization.

221052734050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4421054693 (or 4421054688 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

Adding to 221052734050 its reverse (50437250122), we get a palindrome (271489984172).

The spelling of 221052734050 in words is "two hundred twenty-one billion, fifty-two million, seven hundred thirty-four thousand, fifty".