101221103005 has 8 divisors (see below), whose sum is σ = 132507625824. Its totient is φ = 73615347600.

The previous prime is 101221102991. The next prime is 101221103017. The reversal of 101221103005 is 500301122101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101221103005 - 2⁵ = 101221102973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101221103005.

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, 920191791 + ... + 920191900.

It is an arithmetic number, because the mean of its divisors is an integer number (16563453228).

Almost surely, 2^101221103005 is an apocalyptic number.

It is an amenable number.

101221103005 is a deficient number, since it is larger than the sum of its proper divisors (31286522819).

101221103005 is a wasteful number, since it uses less digits than its factorization.

101221103005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840383707.

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 101221103005 its reverse (500301122101), we get a palindrome (601522225106).

The spelling of 101221103005 in words is "one hundred one billion, two hundred twenty-one million, one hundred three thousand, five".