11201101011221 has 8 divisors (see below), whose sum is σ = 12338017708224. Its totient is φ = 10083956778720.

The previous prime is 11201101011197. The next prime is 11201101011257. The reversal of 11201101011221 is 12211010110211.

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

It is a de Polignac number, because none of the positive numbers 2^k-11201101011221 is a prime.

It is a super-2 number, since 2×11201101011221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11201101011196 and 11201101011205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201101010221) 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, 4943114936 + ... + 4943117201.

It is an arithmetic number, because the mean of its divisors is an integer number (1542252213528).

Almost surely, 2^{11201101011221} is an apocalyptic number.

11201101011221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11201101011221 is a deficient number, since it is larger than the sum of its proper divisors (1136916697003).

11201101011221 is a wasteful number, since it uses less digits than its factorization.

11201101011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9886232251.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11201101011221 its reverse (12211010110211), we get a palindrome (23412111121432).

The spelling of 11201101011221 in words is "eleven trillion, two hundred one billion, one hundred one million, eleven thousand, two hundred twenty-one".