211101200001 has 8 divisors (see below), whose sum is σ = 312742518560. Its totient is φ = 140734133316.

The previous prime is 211101199979. The next prime is 211101200021. The reversal of 211101200001 is 100002101112.

It is a happy number.

It is not a de Polignac number, because 211101200001 - 2¹³ = 211101191809 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211101200021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3909281455 + ... + 3909281508.

It is an arithmetic number, because the mean of its divisors is an integer number (39092814820).

Almost surely, 2^211101200001 is an apocalyptic number.

It is an amenable number.

211101200001 is a deficient number, since it is larger than the sum of its proper divisors (101641318559).

211101200001 is an equidigital number, since it uses as much as digits as its factorization.

211101200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7818562972 (or 7818562966 counting only the distinct ones).

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

Adding to 211101200001 its reverse (100002101112), we get a palindrome (311103301113).

The spelling of 211101200001 in words is "two hundred eleven billion, one hundred one million, two hundred thousand, one".