11004220201 has 12 divisors (see below), whose sum is σ = 12326707980. Its totient is φ = 9807470400.

The previous prime is 11004220187. The next prime is 11004220219. The reversal of 11004220201 is 10202240011.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 5235969600 + 5768250601 = 72360^2 + 75949^2 .

It is not a de Polignac number, because 11004220201 - 2⁵ = 11004220169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11004220001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1117750 + ... + 1127551.

It is an arithmetic number, because the mean of its divisors is an integer number (1027225665).

Almost surely, 2^11004220201 is an apocalyptic number.

It is an amenable number.

11004220201 is a deficient number, since it is larger than the sum of its proper divisors (1322487779).

11004220201 is a wasteful number, since it uses less digits than its factorization.

11004220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245356 (or 2245343 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11004220201 its reverse (10202240011), we get a palindrome (21206460212).

The spelling of 11004220201 in words is "eleven billion, four million, two hundred twenty thousand, two hundred one".