11221020011105 has 16 divisors (see below), whose sum is σ = 14238600380928. Its totient is φ = 8475357360000.

The previous prime is 11221020011099. The next prime is 11221020011111. The reversal of 11221020011105 is 50111002012211.

It is an interprime number because it is at equal distance from previous prime (11221020011099) and next prime (11221020011111).

It is not a de Polignac number, because 11221020011105 - 2⁶ = 11221020011041 is a prime.

It is a super-2 number, since 2×11221020011105² (a number of 27 digits) contains 22 as substring.

It is a Duffinian 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, 882843371 + ... + 882856080.

It is an arithmetic number, because the mean of its divisors is an integer number (889912523808).

Almost surely, 2^{11221020011105} is an apocalyptic number.

It is an amenable number.

11221020011105 is a deficient number, since it is larger than the sum of its proper divisors (3017580369823).

11221020011105 is a wasteful number, since it uses less digits than its factorization.

11221020011105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765699528.

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 11221020011105 its reverse (50111002012211), we get a palindrome (61332022023316).

The spelling of 11221020011105 in words is "eleven trillion, two hundred twenty-one billion, twenty million, eleven thousand, one hundred five".