11001001002201 has 32 divisors (see below), whose sum is σ = 19226873241600. Its totient is φ = 6083502855120.

The previous prime is 11001001002163. The next prime is 11001001002227. The reversal of 11001001002201 is 10220010010011.

It is a happy number.

It is not a de Polignac number, because 11001001002201 - 2¹⁴ = 11001000985817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (11001001002701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 938806311 + ... + 938818028.

It is an arithmetic number, because the mean of its divisors is an integer number (600839788800).

Almost surely, 2^{11001001002201} is an apocalyptic number.

It is an amenable number.

11001001002201 is a deficient number, since it is larger than the sum of its proper divisors (8225872239399).

11001001002201 is a wasteful number, since it uses less digits than its factorization.

11001001002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877624386 (or 1877624380 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11001001002201 its reverse (10220010010011), we get a palindrome (21221011012212).

The spelling of 11001001002201 in words is "eleven trillion, one billion, one million, two thousand, two hundred one".