11211111122110 has 32 divisors (see below), whose sum is σ = 21367659023712. Its totient is φ = 4220535045120.

The previous prime is 11211111122077. The next prime is 11211111122117. The reversal of 11211111122110 is 1122111111211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211111122117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5265165 + ... + 7081255.

It is an arithmetic number, because the mean of its divisors is an integer number (667739344491).

Almost surely, 2^{11211111122110} is an apocalyptic number.

11211111122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11211111122110 is a deficient number, since it is larger than the sum of its proper divisors (10156547901602).

11211111122110 is a wasteful number, since it uses less digits than its factorization.

11211111122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852428.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 11211111122110 its reverse (1122111111211), we get a palindrome (12333222233321).

The spelling of 11211111122110 in words is "eleven trillion, two hundred eleven billion, one hundred eleven million, one hundred twenty-two thousand, one hundred ten".