11202109999 has 4 divisors (see below), whose sum is σ = 11861057664. Its totient is φ = 10543162336.

The previous prime is 11202109979. The next prime is 11202110027. The reversal of 11202109999 is 99990120211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11202109999 - 2⁹ = 11202109487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202109939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329473807 + ... + 329473840.

It is an arithmetic number, because the mean of its divisors is an integer number (2965264416).

Almost surely, 2^11202109999 is an apocalyptic number.

11202109999 is a deficient number, since it is larger than the sum of its proper divisors (658947665).

11202109999 is an equidigital number, since it uses as much as digits as its factorization.

11202109999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658947664.

The product of its (nonzero) digits is 26244, while the sum is 43.

The spelling of 11202109999 in words is "eleven billion, two hundred two million, one hundred nine thousand, nine hundred ninety-nine".