1005222103205 has 16 divisors (see below), whose sum is σ = 1302116791680. Its totient is φ = 742688831808.

The previous prime is 1005222103199. The next prime is 1005222103213. The reversal of 1005222103205 is 5023012225001.

It is a cyclic number.

It is not a de Polignac number, because 1005222103205 - 2⁶ = 1005222103141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

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, 150704627 + ... + 150711296.

It is an arithmetic number, because the mean of its divisors is an integer number (81382299480).

Almost surely, 2^{1005222103205} is an apocalyptic number.

It is an amenable number.

1005222103205 is a deficient number, since it is larger than the sum of its proper divisors (296894688475).

1005222103205 is a wasteful number, since it uses less digits than its factorization.

1005222103205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301415980.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 1005222103205 its reverse (5023012225001), we get a palindrome (6028234328206).

The spelling of 1005222103205 in words is "one trillion, five billion, two hundred twenty-two million, one hundred three thousand, two hundred five".