11223222130221 has 8 divisors (see below), whose sum is σ = 15187643877984. Its totient is φ = 7370474234640.

The previous prime is 11223222130213. The next prime is 11223222130223. The reversal of 11223222130221 is 12203122232211.

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

It is not a de Polignac number, because 11223222130221 - 2³ = 11223222130213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11223222130191 and 11223222130200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223222130223) 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, 27918462810 + ... + 27918463211.

It is an arithmetic number, because the mean of its divisors is an integer number (1898455484748).

Almost surely, 2^{11223222130221} is an apocalyptic number.

It is an amenable number.

11223222130221 is a deficient number, since it is larger than the sum of its proper divisors (3964421747763).

11223222130221 is an equidigital number, since it uses as much as digits as its factorization.

11223222130221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55836926091.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 11223222130221 its reverse (12203122232211), we get a palindrome (23426344362432).

The spelling of 11223222130221 in words is "eleven trillion, two hundred twenty-three billion, two hundred twenty-two million, one hundred thirty thousand, two hundred twenty-one".