11021221101101 has 24 divisors (see below), whose sum is σ = 11763168004224. Its totient is φ = 10323534434400.

The previous prime is 11021221101083. The next prime is 11021221101181. The reversal of 11021221101101 is 10110112212011.

It is not a de Polignac number, because 11021221101101 - 2¹⁰ = 11021221100077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021221101181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26299256 + ... + 26715038.

It is an arithmetic number, because the mean of its divisors is an integer number (490132000176).

Almost surely, 2^{11021221101101} is an apocalyptic number.

It is an amenable number.

11021221101101 is a deficient number, since it is larger than the sum of its proper divisors (741946903123).

11021221101101 is a wasteful number, since it uses less digits than its factorization.

11021221101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416649 (or 416630 counting only the distinct ones).

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

Adding to 11021221101101 its reverse (10110112212011), we get a palindrome (21131333313112).

The spelling of 11021221101101 in words is "eleven trillion, twenty-one billion, two hundred twenty-one million, one hundred one thousand, one hundred one".