221411644275350 has 24 divisors (see below), whose sum is σ = 417467105733720. Its totient is φ = 87351443219520.

The previous prime is 221411644275281. The next prime is 221411644275389. The reversal of 221411644275350 is 53572446114122.

It is a junction number, because it is equal to n+sod(n) for n = 221411644275295 and 221411644275304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30330358580 + ... + 30330365879.

It is an arithmetic number, because the mean of its divisors is an integer number (17394462738905).

Almost surely, 2^{221411644275350} is an apocalyptic number.

221411644275350 is a deficient number, since it is larger than the sum of its proper divisors (196055461458370).

221411644275350 is a wasteful number, since it uses less digits than its factorization.

221411644275350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60660724544 (or 60660724539 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 47.

The spelling of 221411644275350 in words is "two hundred twenty-one trillion, four hundred eleven billion, six hundred forty-four million, two hundred seventy-five thousand, three hundred fifty".