11000100010221 has 24 divisors (see below), whose sum is σ = 18161816746944. Its totient is φ = 6284760148800.

The previous prime is 11000100010213. The next prime is 11000100010231. The reversal of 11000100010221 is 12201000100011.

It is a happy number.

It is not a de Polignac number, because 11000100010221 - 2³ = 11000100010213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000100010231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13650855 + ... + 14434196.

It is an arithmetic number, because the mean of its divisors is an integer number (756742364456).

Almost surely, 2^{11000100010221} is an apocalyptic number.

It is an amenable number.

11000100010221 is a deficient number, since it is larger than the sum of its proper divisors (7161716736723).

11000100010221 is a wasteful number, since it uses less digits than its factorization.

11000100010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28091281 (or 28091278 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11000100010221 its reverse (12201000100011), we get a palindrome (23201100110232).

The spelling of 11000100010221 in words is "eleven trillion, one hundred million, ten thousand, two hundred twenty-one".