11121321201 has 32 divisors (see below), whose sum is σ = 15194610816. Its totient is φ = 7233408000.

The previous prime is 11121321181. The next prime is 11121321229. The reversal of 11121321201 is 10212312111.

It is not a de Polignac number, because 11121321201 - 2¹⁹ = 11120796913 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11121301201) 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, 20331210 + ... + 20331756.

It is an arithmetic number, because the mean of its divisors is an integer number (474831588).

Almost surely, 2^11121321201 is an apocalyptic number.

It is an amenable number.

11121321201 is a deficient number, since it is larger than the sum of its proper divisors (4073289615).

11121321201 is a wasteful number, since it uses less digits than its factorization.

11121321201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11121321201 its reverse (10212312111), we get a palindrome (21333633312).

The spelling of 11121321201 in words is "eleven billion, one hundred twenty-one million, three hundred twenty-one thousand, two hundred one".