11201020021101 has 32 divisors (see below), whose sum is σ = 16028237232000. Its totient is φ = 6932780386304.

The previous prime is 11201020021073. The next prime is 11201020021129. The reversal of 11201020021101 is 10112002010211.

It is an interprime number because it is at equal distance from previous prime (11201020021073) and next prime (11201020021129).

It is a cyclic number.

It is not a de Polignac number, because 11201020021101 - 2³⁵ = 11166660282733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201020026101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 738025 + ... + 4790273.

It is an arithmetic number, because the mean of its divisors is an integer number (500882413500).

Almost surely, 2^{11201020021101} is an apocalyptic number.

It is an amenable number.

11201020021101 is a deficient number, since it is larger than the sum of its proper divisors (4827217210899).

11201020021101 is a wasteful number, since it uses less digits than its factorization.

11201020021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4053005.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11201020021101 its reverse (10112002010211), we get a palindrome (21313022031312).

The spelling of 11201020021101 in words is "eleven trillion, two hundred one billion, twenty million, twenty-one thousand, one hundred one".