11201020021199 has 4 divisors (see below), whose sum is σ = 11358780866640. Its totient is φ = 11043259175760.

The previous prime is 11201020021183. The next prime is 11201020021223. The reversal of 11201020021199 is 99112002010211.

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 11201020021199 - 2⁴ = 11201020021183 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 (11201020021129) 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, 78880422614 + ... + 78880422755.

It is an arithmetic number, because the mean of its divisors is an integer number (2839695216660).

Almost surely, 2^{11201020021199} is an apocalyptic number.

11201020021199 is a deficient number, since it is larger than the sum of its proper divisors (157760845441).

11201020021199 is an equidigital number, since it uses as much as digits as its factorization.

11201020021199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157760845440.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 11201020021199 in words is "eleven trillion, two hundred one billion, twenty million, twenty-one thousand, one hundred ninety-nine".