11110012022221 has 12 divisors (see below), whose sum is σ = 13239108405180. Its totient is φ = 9290602386240.

The previous prime is 11110012022203. The next prime is 11110012022233. The reversal of 11110012022221 is 12222021001111.

It can be written as a sum of positive squares in 2 ways, for example, as 354983598025 + 10755028424196 = 595805^2 + 3279486^2 .

It is not a de Polignac number, because 11110012022221 - 2⁵ = 11110012022189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11110012022195 and 11110012022204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110012022251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2765058226 + ... + 2765062243.

It is an arithmetic number, because the mean of its divisors is an integer number (1103259033765).

Almost surely, 2^{11110012022221} is an apocalyptic number.

It is an amenable number.

11110012022221 is a deficient number, since it is larger than the sum of its proper divisors (2129096382959).

11110012022221 is an equidigital number, since it uses as much as digits as its factorization.

11110012022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5530120524 (or 5530120517 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11110012022221 its reverse (12222021001111), we get a palindrome (23332033023332).

The spelling of 11110012022221 in words is "eleven trillion, one hundred ten billion, twelve million, twenty-two thousand, two hundred twenty-one".