11201121000001 has 8 divisors (see below), whose sum is σ = 11562771863808. Its totient is φ = 10839490410000.

The previous prime is 11201120999953. The next prime is 11201121000007. The reversal of 11201121000001 is 10000012110211.

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 11201121000001 - 2¹¹ = 11201120997953 is a prime.

It is a super-2 number, since 2×11201121000001² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11201121000007) 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, 3941650 + ... + 6159451.

It is an arithmetic number, because the mean of its divisors is an integer number (1445346482976).

Almost surely, 2^{11201121000001} is an apocalyptic number.

It is an amenable number.

11201121000001 is a deficient number, since it is larger than the sum of its proper divisors (361650863807).

11201121000001 is a wasteful number, since it uses less digits than its factorization.

11201121000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10136903.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11201121000001 its reverse (10000012110211), we get a palindrome (21201133110212).

The spelling of 11201121000001 in words is "eleven trillion, two hundred one billion, one hundred twenty-one million, one", and thus it is an aban number.