11113121201 has 32 divisors (see below), whose sum is σ = 13967401728. Its totient is φ = 8608343040.

The previous prime is 11113121183. The next prime is 11113121263. The reversal of 11113121201 is 10212131111.

It is a cyclic number.

It is not a de Polignac number, because 11113121201 - 2⁶ = 11113121137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11113121501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 903986 + ... + 916196.

It is an arithmetic number, because the mean of its divisors is an integer number (436481304).

Almost surely, 2^11113121201 is an apocalyptic number.

It is an amenable number.

11113121201 is a deficient number, since it is larger than the sum of its proper divisors (2854280527).

11113121201 is a wasteful number, since it uses less digits than its factorization.

11113121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12441.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11113121201 its reverse (10212131111), we get a palindrome (21325252312).

The spelling of 11113121201 in words is "eleven billion, one hundred thirteen million, one hundred twenty-one thousand, two hundred one".