11102201200121 has 8 divisors (see below), whose sum is σ = 11109755019720. Its totient is φ = 11094648463872.

The previous prime is 11102201200081. The next prime is 11102201200157. The reversal of 11102201200121 is 12100210220111.

It can be written as a sum of positive squares in 4 ways, for example, as 3181100542096 + 7921100658025 = 1783564^2 + 2814445^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11102201200121 - 2¹⁰ = 11102201199097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11102201200096 and 11102201200105.

It is not an unprimeable number, because it can be changed into a prime (11102201200421) 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, 20787401 + ... + 21314793.

It is an arithmetic number, because the mean of its divisors is an integer number (1388719377465).

Almost surely, 2^{11102201200121} is an apocalyptic number.

It is an amenable number.

11102201200121 is a deficient number, since it is larger than the sum of its proper divisors (7553819599).

11102201200121 is a wasteful number, since it uses less digits than its factorization.

11102201200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541675.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11102201200121 its reverse (12100210220111), we get a palindrome (23202411420232).

The spelling of 11102201200121 in words is "eleven trillion, one hundred two billion, two hundred one million, two hundred thousand, one hundred twenty-one".