221000013105 has 16 divisors (see below), whose sum is σ = 353607068160. Its totient is φ = 117864324608.

The previous prime is 221000013077. The next prime is 221000013137. The reversal of 221000013105 is 501310000122.

It is a cyclic number.

It is not a de Polignac number, because 221000013105 - 2¹⁶ = 220999947569 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 848641 + ... + 1078049.

It is an arithmetic number, because the mean of its divisors is an integer number (22100441760).

Almost surely, 2^221000013105 is an apocalyptic number.

It is an amenable number.

221000013105 is a deficient number, since it is larger than the sum of its proper divisors (132607055055).

221000013105 is a wasteful number, since it uses less digits than its factorization.

221000013105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293640.

The product of its (nonzero) digits is 60, while the sum is 15.

Adding to 221000013105 its reverse (501310000122), we get a palindrome (722310013227).

The spelling of 221000013105 in words is "two hundred twenty-one billion, thirteen thousand, one hundred five".