1100021320311 has 16 divisors (see below), whose sum is σ = 1483287095808. Its totient is φ = 725094200000.

The previous prime is 1100021320243. The next prime is 1100021320361. The reversal of 1100021320311 is 1130231200011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1100021320311 - 2¹⁵ = 1100021287543 is a prime.

It is a super-2 number, since 2×1100021320311² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100021320361) 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, 5228415 + ... + 5434736.

It is an arithmetic number, because the mean of its divisors is an integer number (92705443488).

Almost surely, 2^{1100021320311} is an apocalyptic number.

1100021320311 is a deficient number, since it is larger than the sum of its proper divisors (383265775497).

1100021320311 is a wasteful number, since it uses less digits than its factorization.

1100021320311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10663542.

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

Adding to 1100021320311 its reverse (1130231200011), we get a palindrome (2230252520322).

The spelling of 1100021320311 in words is "one trillion, one hundred billion, twenty-one million, three hundred twenty thousand, three hundred eleven".