11022220112221 has 8 divisors (see below), whose sum is σ = 11381843538944. Its totient is φ = 10662850931760.

The previous prime is 11022220112117. The next prime is 11022220112231. The reversal of 11022220112221 is 12221102222011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11022220112221 - 2¹⁹ = 11022219587933 is a prime.

It is a super-2 number, since 2×11022220112221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022220112231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63473445 + ... + 63646858.

It is an arithmetic number, because the mean of its divisors is an integer number (1422730442368).

Almost surely, 2^{11022220112221} is an apocalyptic number.

It is an amenable number.

11022220112221 is a deficient number, since it is larger than the sum of its proper divisors (359623426723).

11022220112221 is a wasteful number, since it uses less digits than its factorization.

11022220112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127123131.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11022220112221 its reverse (12221102222011), we get a palindrome (23243322334232).

The spelling of 11022220112221 in words is "eleven trillion, twenty-two billion, two hundred twenty million, one hundred twelve thousand, two hundred twenty-one".