11012111220111 has 8 divisors (see below), whose sum is σ = 14682889159344. Its totient is φ = 7341370380480.

The previous prime is 11012111220079. The next prime is 11012111220163. The reversal of 11012111220111 is 11102211121011.

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

It is not a de Polignac number, because 11012111220111 - 2⁵ = 11012111220079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012111920111) 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, 8574756 + ... + 9775001.

It is an arithmetic number, because the mean of its divisors is an integer number (1835361144918).

Almost surely, 2^{11012111220111} is an apocalyptic number.

11012111220111 is a deficient number, since it is larger than the sum of its proper divisors (3670777939233).

11012111220111 is a wasteful number, since it uses less digits than its factorization.

11012111220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18549801.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11012111220111 its reverse (11102211121011), we get a palindrome (22114322341122).

The spelling of 11012111220111 in words is "eleven trillion, twelve billion, one hundred eleven million, two hundred twenty thousand, one hundred eleven".