11110022210221 has 4 divisors (see below), whose sum is σ = 12120024229344. Its totient is φ = 10100020191100.

The previous prime is 11110022210149. The next prime is 11110022210227. The reversal of 11110022210221 is 12201222001111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11110022210221 - 2²¹ = 11110020113069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11110022210195 and 11110022210204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110022210227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505001009545 + ... + 505001009566.

It is an arithmetic number, because the mean of its divisors is an integer number (3030006057336).

Almost surely, 2^{11110022210221} is an apocalyptic number.

11110022210221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11110022210221 is a deficient number, since it is larger than the sum of its proper divisors (1010002019123).

11110022210221 is a wasteful number, since it uses less digits than its factorization.

11110022210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010002019122.

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

Adding to 11110022210221 its reverse (12201222001111), we get a palindrome (23311244211332).

The spelling of 11110022210221 in words is "eleven trillion, one hundred ten billion, twenty-two million, two hundred ten thousand, two hundred twenty-one".