221274807103 has 4 divisors (see below), whose sum is σ = 252885493840. Its totient is φ = 189664120368.

The previous prime is 221274807077. The next prime is 221274807137. The reversal of 221274807103 is 301708472122.

221274807103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 221274807103 - 2²⁵ = 221241252671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221274807503) 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 3 ways as a sum of consecutive naturals, for example, 15805343358 + ... + 15805343371.

It is an arithmetic number, because the mean of its divisors is an integer number (63221373460).

Almost surely, 2^221274807103 is an apocalyptic number.

221274807103 is a deficient number, since it is larger than the sum of its proper divisors (31610686737).

221274807103 is an equidigital number, since it uses as much as digits as its factorization.

221274807103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31610686736.

The product of its (nonzero) digits is 37632, while the sum is 37.

The spelling of 221274807103 in words is "two hundred twenty-one billion, two hundred seventy-four million, eight hundred seven thousand, one hundred three".