11100112211021 has 16 divisors (see below), whose sum is σ = 11696921971200. Its totient is φ = 10504567944000.

The previous prime is 11100112211003. The next prime is 11100112211029. The reversal of 11100112211021 is 12011221100111.

It is a cyclic number.

It is not a de Polignac number, because 11100112211021 - 2²² = 11100108016717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11100112210987 and 11100112211005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100112211029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66232751 + ... + 66400131.

It is an arithmetic number, because the mean of its divisors is an integer number (731057623200).

Almost surely, 2^{11100112211021} is an apocalyptic number.

It is an amenable number.

11100112211021 is a deficient number, since it is larger than the sum of its proper divisors (596809760179).

11100112211021 is a wasteful number, since it uses less digits than its factorization.

11100112211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171140.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11100112211021 its reverse (12011221100111), we get a palindrome (23111333311132).

The spelling of 11100112211021 in words is "eleven trillion, one hundred billion, one hundred twelve million, two hundred eleven thousand, twenty-one".