11000311333221 has 16 divisors (see below), whose sum is σ = 16808053243904. Its totient is φ = 6268764414384.

The previous prime is 11000311333211. The next prime is 11000311333229. The reversal of 11000311333221 is 12233311300011.

It is a happy number.

It is not a de Polignac number, because 11000311333221 - 2⁶ = 11000311333157 is a prime.

It is a super-3 number, since 3×11000311333221³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000311333229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 713649445 + ... + 713664858.

It is an arithmetic number, because the mean of its divisors is an integer number (1050503327744).

Almost surely, 2^{11000311333221} is an apocalyptic number.

It is an amenable number.

11000311333221 is a deficient number, since it is larger than the sum of its proper divisors (5807741910683).

11000311333221 is a wasteful number, since it uses less digits than its factorization.

11000311333221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427314680.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 11000311333221 its reverse (12233311300011), we get a palindrome (23233622633232).

The spelling of 11000311333221 in words is "eleven trillion, three hundred eleven million, three hundred thirty-three thousand, two hundred twenty-one".