11202120002091 has 12 divisors (see below), whose sum is σ = 14942216928632. Its totient is φ = 7465052765568.

The previous prime is 11202120002081. The next prime is 11202120002119. The reversal of 11202120002091 is 19020002120211.

It is not a de Polignac number, because 11202120002091 - 2⁶ = 11202120002027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11202120002011) 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 11 ways as a sum of consecutive naturals, for example, 18102291 + ... + 18710883.

Almost surely, 2^{11202120002091} is an apocalyptic number.

11202120002091 is a deficient number, since it is larger than the sum of its proper divisors (3740096926541).

11202120002091 is an frugal number, since it uses more digits than its factorization.

11202120002091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613550 (or 611073 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 11202120002091 in words is "eleven trillion, two hundred two billion, one hundred twenty million, two thousand, ninety-one".