11011120133221 has 32 divisors (see below), whose sum is σ = 12582918286848. Its totient is φ = 9545481200640.

The previous prime is 11011120133219. The next prime is 11011120133257. The reversal of 11011120133221 is 12233102111011.

It is a cyclic number.

It is not a de Polignac number, because 11011120133221 - 2¹ = 11011120133219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011120133261) 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 31 ways as a sum of consecutive naturals, for example, 193887396 + ... + 193944178.

It is an arithmetic number, because the mean of its divisors is an integer number (393216196464).

Almost surely, 2^{11011120133221} is an apocalyptic number.

It is an amenable number.

11011120133221 is a deficient number, since it is larger than the sum of its proper divisors (1571798153627).

11011120133221 is a wasteful number, since it uses less digits than its factorization.

11011120133221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58701.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 11011120133221 its reverse (12233102111011), we get a palindrome (23244222244232).

The spelling of 11011120133221 in words is "eleven trillion, eleven billion, one hundred twenty million, one hundred thirty-three thousand, two hundred twenty-one".