11201020011001 has 8 divisors (see below), whose sum is σ = 11269784766464. Its totient is φ = 11132420755680.

The previous prime is 11201020010941. The next prime is 11201020011011. The reversal of 11201020011001 is 10011002010211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11201020011001 is a prime.

It is a super-2 number, since 2×11201020011001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11201020011011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41239260 + ... + 41509981.

It is an arithmetic number, because the mean of its divisors is an integer number (1408723095808).

Almost surely, 2^{11201020011001} is an apocalyptic number.

It is an amenable number.

11201020011001 is a deficient number, since it is larger than the sum of its proper divisors (68764755463).

11201020011001 is an equidigital number, since it uses as much as digits as its factorization.

11201020011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82750071.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11201020011001 its reverse (10011002010211), we get a palindrome (21212022021212).

The spelling of 11201020011001 in words is "eleven trillion, two hundred one billion, twenty million, eleven thousand, one".