11000012210001 has 12 divisors (see below), whose sum is σ = 16067433566340. Its totient is φ = 7250944377600.

The previous prime is 11000012209993. The next prime is 11000012210003. The reversal of 11000012210001 is 10001221000011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2734392960000 + 8265619250001 = 1653600^2 + 2874999^2 .

It is not a de Polignac number, because 11000012210001 - 2³ = 11000012209993 is a prime.

It is a super-3 number, since 3×11000012210001³ (a number of 40 digits) contains 333 as substring.

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 (11000012210003) 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, 6866423800 + ... + 6866425401.

It is an arithmetic number, because the mean of its divisors is an integer number (1338952797195).

Almost surely, 2^{11000012210001} is an apocalyptic number.

It is an amenable number.

11000012210001 is a deficient number, since it is larger than the sum of its proper divisors (5067421356339).

11000012210001 is a wasteful number, since it uses less digits than its factorization.

11000012210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13732849296 (or 13732849293 counting only the distinct ones).

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

Adding to 11000012210001 its reverse (10001221000011), we get a palindrome (21001233210012).

The spelling of 11000012210001 in words is "eleven trillion, twelve million, two hundred ten thousand, one".