11000001211211 has 4 divisors (see below), whose sum is σ = 11578948643400. Its totient is φ = 10421053779024.

The previous prime is 11000001211201. The next prime is 11000001211231. The reversal of 11000001211211 is 11211210000011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11000001211211 - 2³⁸ = 10725123304267 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11000001211192 and 11000001211201.

It is not an unprimeable number, because it can be changed into a prime (11000001211201) 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 3 ways as a sum of consecutive naturals, for example, 289473716066 + ... + 289473716103.

It is an arithmetic number, because the mean of its divisors is an integer number (2894737160850).

Almost surely, 2^{11000001211211} is an apocalyptic number.

11000001211211 is a deficient number, since it is larger than the sum of its proper divisors (578947432189).

11000001211211 is an equidigital number, since it uses as much as digits as its factorization.

11000001211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578947432188.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11000001211211 its reverse (11211210000011), we get a palindrome (22211211211222).

The spelling of 11000001211211 in words is "eleven trillion, one million, two hundred eleven thousand, two hundred eleven".