221011341044 has 24 divisors (see below), whose sum is σ = 422738117088. Its totient is φ = 100482766560.

The previous prime is 221011341029. The next prime is 221011341077. The reversal of 221011341044 is 440143110122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31714562 + ... + 31721529.

It is an arithmetic number, because the mean of its divisors is an integer number (17614088212).

Almost surely, 2^221011341044 is an apocalyptic number.

It is an amenable number.

221011341044 is a deficient number, since it is larger than the sum of its proper divisors (201726776044).

221011341044 is a wasteful number, since it uses less digits than its factorization.

221011341044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63436175 (or 63436173 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 221011341044 its reverse (440143110122), we get a palindrome (661154451166).

The spelling of 221011341044 in words is "two hundred twenty-one billion, eleven million, three hundred forty-one thousand, forty-four".