11201102021121 has 8 divisors (see below), whose sum is σ = 15102609467040. Its totient is φ = 7383497961312.

The previous prime is 11201102021101. The next prime is 11201102021159. The reversal of 11201102021121 is 12112020110211.

It is a happy number.

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

It is not a de Polignac number, because 11201102021121 - 2⁹ = 11201102020609 is a prime.

It is a super-2 number, since 2×11201102021121² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11201102021121.

It is not an unprimeable number, because it can be changed into a prime (11201102021101) 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, 20975846215 + ... + 20975846748.

It is an arithmetic number, because the mean of its divisors is an integer number (1887826183380).

Almost surely, 2^{11201102021121} is an apocalyptic number.

It is an amenable number.

11201102021121 is a deficient number, since it is larger than the sum of its proper divisors (3901507445919).

11201102021121 is an equidigital number, since it uses as much as digits as its factorization.

11201102021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41951693055.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11201102021121 its reverse (12112020110211), we get a palindrome (23313122131332).

The spelling of 11201102021121 in words is "eleven trillion, two hundred one billion, one hundred two million, twenty-one thousand, one hundred twenty-one".