11222112010021 has 8 divisors (see below), whose sum is σ = 12248826305184. Its totient is φ = 10196484763920.

The previous prime is 11222112009929. The next prime is 11222112010027. The reversal of 11222112010021 is 12001021122211.

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 11222112010021 - 2¹⁷ = 11222111878949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11222112009977 and 11222112010004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222112010027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271740675 + ... + 271781968.

It is an arithmetic number, because the mean of its divisors is an integer number (1531103288148).

Almost surely, 2^{11222112010021} is an apocalyptic number.

11222112010021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11222112010021 is a deficient number, since it is larger than the sum of its proper divisors (1026714295163).

11222112010021 is a wasteful number, since it uses less digits than its factorization.

11222112010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543524531.

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

Adding to 11222112010021 its reverse (12001021122211), we get a palindrome (23223133132232).

The spelling of 11222112010021 in words is "eleven trillion, two hundred twenty-two billion, one hundred twelve million, ten thousand, twenty-one".