11102111001211 has 4 divisors (see below), whose sum is σ = 11108993898672. Its totient is φ = 11095228103752.

The previous prime is 11102111001197. The next prime is 11102111001229. The reversal of 11102111001211 is 11210011120111.

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 11102111001211 - 2⁷ = 11102111001083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11102111001191 and 11102111001200.

It is not an unprimeable number, because it can be changed into a prime (11102111001511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3441446311 + ... + 3441449536.

It is an arithmetic number, because the mean of its divisors is an integer number (2777248474668).

Almost surely, 2^{11102111001211} is an apocalyptic number.

11102111001211 is a deficient number, since it is larger than the sum of its proper divisors (6882897461).

11102111001211 is an equidigital number, since it uses as much as digits as its factorization.

11102111001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6882897460.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11102111001211 its reverse (11210011120111), we get a palindrome (22312122121322).

The spelling of 11102111001211 in words is "eleven trillion, one hundred two billion, one hundred eleven million, one thousand, two hundred eleven".