11101200202109 has 4 divisors (see below), whose sum is σ = 11101531822560. Its totient is φ = 11100868581660.

The previous prime is 11101200202097. The next prime is 11101200202121. The reversal of 11101200202109 is 90120200210111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (11101200202097) and next prime (11101200202121).

It is a cyclic number.

It is not a de Polignac number, because 11101200202109 - 2³⁶ = 11032480725373 is a prime.

It is a super-3 number, since 3×11101200202109³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101200202909) 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, 165760007 + ... + 165826964.

It is an arithmetic number, because the mean of its divisors is an integer number (2775382955640).

Almost surely, 2^{11101200202109} is an apocalyptic number.

It is an amenable number.

11101200202109 is a deficient number, since it is larger than the sum of its proper divisors (331620451).

11101200202109 is an equidigital number, since it uses as much as digits as its factorization.

11101200202109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331620450.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 11101200202109 in words is "eleven trillion, one hundred one billion, two hundred million, two hundred two thousand, one hundred nine".