11202011001091 has 4 divisors (see below), whose sum is σ = 11203892749192. Its totient is φ = 11200129252992.

The previous prime is 11202011001067. The next prime is 11202011001107. The reversal of 11202011001091 is 19010011020211.

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 11202011001091 - 2³¹ = 11199863517443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11202011001031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940865121 + ... + 940877026.

It is an arithmetic number, because the mean of its divisors is an integer number (2800973187298).

Almost surely, 2^{11202011001091} is an apocalyptic number.

11202011001091 is a deficient number, since it is larger than the sum of its proper divisors (1881748101).

11202011001091 is an equidigital number, since it uses as much as digits as its factorization.

11202011001091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881748100.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 11202011001091 in words is "eleven trillion, two hundred two billion, eleven million, one thousand, ninety-one".