11100021120321 has 32 divisors (see below), whose sum is σ = 17726796226560. Its totient is φ = 6040598376384.

The previous prime is 11100021120239. The next prime is 11100021120323. The reversal of 11100021120321 is 12302112000111.

It is not a de Polignac number, because 11100021120321 - 2¹⁹ = 11100020596033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11100021120321.

It is not an unprimeable number, because it can be changed into a prime (11100021120323) 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 31 ways as a sum of consecutive naturals, for example, 50067145 + ... + 50288358.

It is an arithmetic number, because the mean of its divisors is an integer number (553962382080).

Almost surely, 2^{11100021120321} is an apocalyptic number.

It is an amenable number.

11100021120321 is a deficient number, since it is larger than the sum of its proper divisors (6626775106239).

11100021120321 is a wasteful number, since it uses less digits than its factorization.

11100021120321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100355765.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11100021120321 its reverse (12302112000111), we get a palindrome (23402133120432).

The spelling of 11100021120321 in words is "eleven trillion, one hundred billion, twenty-one million, one hundred twenty thousand, three hundred twenty-one".