11111011000211 has 4 divisors (see below), whose sum is σ = 11141286234912. Its totient is φ = 11080735765512.

The previous prime is 11111011000189. The next prime is 11111011000223. The reversal of 11111011000211 is 11200011011111.

It is a happy number.

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 11111011000211 - 2²² = 11111006805907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11111011000192 and 11111011000201.

It is not an unprimeable number, because it can be changed into a prime (11111011000241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15137616800 + ... + 15137617533.

It is an arithmetic number, because the mean of its divisors is an integer number (2785321558728).

Almost surely, 2^{11111011000211} is an apocalyptic number.

11111011000211 is a deficient number, since it is larger than the sum of its proper divisors (30275234701).

11111011000211 is an equidigital number, since it uses as much as digits as its factorization.

11111011000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30275234700.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 11111011000211 its reverse (11200011011111), we get a palindrome (22311022011322).

The spelling of 11111011000211 in words is "eleven trillion, one hundred eleven billion, eleven million, two hundred eleven", and thus it is an aban number.