11221101005 has 16 divisors (see below), whose sum is σ = 14276216304. Its totient is φ = 8437678080.

The previous prime is 11221100999. The next prime is 11221101041. The reversal of 11221101005 is 50010112211.

It can be written as a sum of positive squares in 8 ways, for example, as 4376351716 + 6844749289 = 66154^2 + 82733^2 .

It is not a de Polignac number, because 11221101005 - 2¹⁸ = 11220838861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22052 + ... + 151421.

It is an arithmetic number, because the mean of its divisors is an integer number (892263519).

Almost surely, 2^11221101005 is an apocalyptic number.

It is an amenable number.

11221101005 is a deficient number, since it is larger than the sum of its proper divisors (3055115299).

11221101005 is a wasteful number, since it uses less digits than its factorization.

11221101005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174256.

The product of its (nonzero) digits is 20, while the sum is 14.

Adding to 11221101005 its reverse (50010112211), we get a palindrome (61231213216).

The spelling of 11221101005 in words is "eleven billion, two hundred twenty-one million, one hundred one thousand, five".