11222122110221 has 8 divisors (see below), whose sum is σ = 12962451207744. Its totient is φ = 9601815709120.

The previous prime is 11222122110193. The next prime is 11222122110229. The reversal of 11222122110221 is 12201122122211.

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 11222122110221 - 2³⁴ = 11204942241037 is a prime.

It is a super-2 number, since 2×11222122110221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11222122110193 and 11222122110202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222122110229) 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, 30005673905 + ... + 30005674278.

It is an arithmetic number, because the mean of its divisors is an integer number (1620306400968).

Almost surely, 2^{11222122110221} is an apocalyptic number.

11222122110221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11222122110221 is a deficient number, since it is larger than the sum of its proper divisors (1740329097523).

11222122110221 is a wasteful number, since it uses less digits than its factorization.

11222122110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60011348211.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11222122110221 its reverse (12201122122211), we get a palindrome (23423244232432).

The spelling of 11222122110221 in words is "eleven trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred ten thousand, two hundred twenty-one".