221527312103 has 16 divisors (see below), whose sum is σ = 235081764000. Its totient is φ = 208031502336.

The previous prime is 221527312091. The next prime is 221527312121. The reversal of 221527312103 is 301213725122.

221527312103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 221527312103 - 2¹² = 221527308007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221527362103) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 17143601 + ... + 17156517.

It is an arithmetic number, because the mean of its divisors is an integer number (14692610250).

Almost surely, 2^221527312103 is an apocalyptic number.

221527312103 is a deficient number, since it is larger than the sum of its proper divisors (13554451897).

221527312103 is a wasteful number, since it uses less digits than its factorization.

221527312103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15106.

The product of its (nonzero) digits is 5040, while the sum is 29.

The spelling of 221527312103 in words is "two hundred twenty-one billion, five hundred twenty-seven million, three hundred twelve thousand, one hundred three".