11001111021201 has 64 divisors (see below), whose sum is σ = 17354494771200. Its totient is φ = 6065956270080.

The previous prime is 11001111021193. The next prime is 11001111021217. The reversal of 11001111021201 is 10212011110011.

It is not a de Polignac number, because 11001111021201 - 2³ = 11001111021193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11001111021001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 466789720 + ... + 466813286.

It is an arithmetic number, because the mean of its divisors is an integer number (271163980800).

Almost surely, 2^{11001111021201} is an apocalyptic number.

It is an amenable number.

11001111021201 is a deficient number, since it is larger than the sum of its proper divisors (6353383749999).

11001111021201 is a wasteful number, since it uses less digits than its factorization.

11001111021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25654.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11001111021201 its reverse (10212011110011), we get a palindrome (21213122131212).

The spelling of 11001111021201 in words is "eleven trillion, one billion, one hundred eleven million, twenty-one thousand, two hundred one".