11003201121 has 8 divisors (see below), whose sum is σ = 16004656224. Its totient is φ = 6668606720.

The previous prime is 11003201113. The next prime is 11003201123. The reversal of 11003201121 is 12110230011.

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 11003201121 - 2³ = 11003201113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11003201097 and 11003201106.

It is not an unprimeable number, because it can be changed into a prime (11003201123) 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, 166715136 + ... + 166715201.

It is an arithmetic number, because the mean of its divisors is an integer number (2000582028).

Almost surely, 2^11003201121 is an apocalyptic number.

11003201121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11003201121 is a deficient number, since it is larger than the sum of its proper divisors (5001455103).

11003201121 is a wasteful number, since it uses less digits than its factorization.

11003201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333430351.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 11003201121 its reverse (12110230011), we get a palindrome (23113431132).

The spelling of 11003201121 in words is "eleven billion, three million, two hundred one thousand, one hundred twenty-one".