11010133221 has 8 divisors (see below), whose sum is σ = 14720179584. Its totient is φ = 7320087840.

The previous prime is 11010133171. The next prime is 11010133237. The reversal of 11010133221 is 12233101011.

It is a happy number.

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

It is not a de Polignac number, because 11010133221 - 2¹³ = 11010125029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11010133221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010133241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4998960 + ... + 5001161.

It is an arithmetic number, because the mean of its divisors is an integer number (1840022448).

Almost surely, 2^11010133221 is an apocalyptic number.

It is an amenable number.

11010133221 is a deficient number, since it is larger than the sum of its proper divisors (3710046363).

11010133221 is a wasteful number, since it uses less digits than its factorization.

11010133221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10000491.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11010133221 its reverse (12233101011), we get a palindrome (23243234232).

The spelling of 11010133221 in words is "eleven billion, ten million, one hundred thirty-three thousand, two hundred twenty-one".