11111000011211 has 8 divisors (see below), whose sum is σ = 11150189184960. Its totient is φ = 11071876318272.

The previous prime is 11111000011127. The next prime is 11111000011327. The reversal of 11111000011211 is 11211000011111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11111000011211 - 2¹⁴ = 11110999994827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11111000011192 and 11111000011201.

It is not an unprimeable number, because it can be changed into a prime (11111000016211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16030226 + ... + 16708983.

It is an arithmetic number, because the mean of its divisors is an integer number (1393773648120).

Almost surely, 2^{11111000011211} is an apocalyptic number.

11111000011211 is a deficient number, since it is larger than the sum of its proper divisors (39189173749).

11111000011211 is an equidigital number, since it uses as much as digits as its factorization.

11111000011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32740405.

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

Adding to 11111000011211 its reverse (11211000011111), we get a palindrome (22322000022322).

The spelling of 11111000011211 in words is "eleven trillion, one hundred eleven billion, eleven thousand, two hundred eleven".