11102021309 has 32 divisors (see below), whose sum is σ = 12829104000. Its totient is φ = 9536292864.

The previous prime is 11102021299. The next prime is 11102021321. The reversal of 11102021309 is 90312020111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11102021309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102020309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5328782 + ... + 5330864.

It is an arithmetic number, because the mean of its divisors is an integer number (400909500).

Almost surely, 2^11102021309 is an apocalyptic number.

11102021309 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11102021309 is a deficient number, since it is larger than the sum of its proper divisors (1727082691).

11102021309 is a wasteful number, since it uses less digits than its factorization.

11102021309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2717.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 11102021309 in words is "eleven billion, one hundred two million, twenty-one thousand, three hundred nine".