11004021201 has 16 divisors (see below), whose sum is σ = 15040226880. Its totient is φ = 7152161280.

The previous prime is 11004021191. The next prime is 11004021221. The reversal of 11004021201 is 10212040011.

It is a happy number.

It is not a de Polignac number, because 11004021201 - 2¹⁰ = 11004020177 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11004021221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153106 + ... + 213188.

It is an arithmetic number, because the mean of its divisors is an integer number (940014180).

Almost surely, 2^11004021201 is an apocalyptic number.

It is an amenable number.

11004021201 is a deficient number, since it is larger than the sum of its proper divisors (4036205679).

11004021201 is a wasteful number, since it uses less digits than its factorization.

11004021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61616.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11004021201 its reverse (10212040011), we get a palindrome (21216061212).

The spelling of 11004021201 in words is "eleven billion, four million, twenty-one thousand, two hundred one".