11201103021121 has 8 divisors (see below), whose sum is σ = 12063084333440. Its totient is φ = 10339172852112.

The previous prime is 11201103021091. The next prime is 11201103021133. The reversal of 11201103021121 is 12112030110211.

It is a happy number.

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-11201103021121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11201103021095 and 11201103021104.

It is not an unprimeable number, because it can be changed into a prime (11201103021821) 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, 12330345 + ... + 13207558.

It is an arithmetic number, because the mean of its divisors is an integer number (1507885541680).

Almost surely, 2^{11201103021121} is an apocalyptic number.

It is an amenable number.

11201103021121 is a deficient number, since it is larger than the sum of its proper divisors (861981312319).

11201103021121 is a wasteful number, since it uses less digits than its factorization.

11201103021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25571655.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11201103021121 its reverse (12112030110211), we get a palindrome (23313133131332).

The spelling of 11201103021121 in words is "eleven trillion, two hundred one billion, one hundred three million, twenty-one thousand, one hundred twenty-one".