11100223232221 has 8 divisors (see below), whose sum is σ = 11132407543104. Its totient is φ = 11068040043840.

The previous prime is 11100223232213. The next prime is 11100223232251. The reversal of 11100223232221 is 12223232200111.

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 11100223232221 - 2³ = 11100223232213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11100223232192 and 11100223232201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100223232251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22110016 + ... + 22606486.

It is an arithmetic number, because the mean of its divisors is an integer number (1391550942888).

Almost surely, 2^{11100223232221} is an apocalyptic number.

It is an amenable number.

11100223232221 is a deficient number, since it is larger than the sum of its proper divisors (32184310883).

11100223232221 is an equidigital number, since it uses as much as digits as its factorization.

11100223232221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561251.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 11100223232221 its reverse (12223232200111), we get a palindrome (23323455432332).

The spelling of 11100223232221 in words is "eleven trillion, one hundred billion, two hundred twenty-three million, two hundred thirty-two thousand, two hundred twenty-one".