11243555022221 has 8 divisors (see below), whose sum is σ = 11481377687904. Its totient is φ = 11007791427600.

The previous prime is 11243555022173. The next prime is 11243555022223. The reversal of 11243555022221 is 12222055534211.

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 11243555022221 - 2¹⁸ = 11243554760077 is a prime.

It is a super-2 number, since 2×11243555022221² (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 (11243555022223) 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, 514756730 + ... + 514778571.

It is an arithmetic number, because the mean of its divisors is an integer number (1435172210988).

Almost surely, 2^{11243555022221} is an apocalyptic number.

It is an amenable number.

11243555022221 is a deficient number, since it is larger than the sum of its proper divisors (237822665683).

11243555022221 is a wasteful number, since it uses less digits than its factorization.

11243555022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029535531.

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 11243555022221 in words is "eleven trillion, two hundred forty-three billion, five hundred fifty-five million, twenty-two thousand, two hundred twenty-one".