11012120011211 has 12 divisors (see below), whose sum is σ = 12494690158272. Its totient is φ = 9688082118000.

The previous prime is 11012120011169. The next prime is 11012120011339. The reversal of 11012120011211 is 11211002121011.

It is not a de Polignac number, because 11012120011211 - 2¹⁸ = 11012119749067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11012120011111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1467887480 + ... + 1467894981.

It is an arithmetic number, because the mean of its divisors is an integer number (1041224179856).

Almost surely, 2^{11012120011211} is an apocalyptic number.

11012120011211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11012120011211 is a deficient number, since it is larger than the sum of its proper divisors (1482570147061).

11012120011211 is a wasteful number, since it uses less digits than its factorization.

11012120011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2935782514 (or 2935782503 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11012120011211 its reverse (11211002121011), we get a palindrome (22223122132222).

The spelling of 11012120011211 in words is "eleven trillion, twelve billion, one hundred twenty million, eleven thousand, two hundred eleven".