11210123111 has 12 divisors (see below), whose sum is σ = 12784054920. Its totient is φ = 9747928080.

The previous prime is 11210123107. The next prime is 11210123161. The reversal of 11210123111 is 11132101211.

It is not a de Polignac number, because 11210123111 - 2² = 11210123107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210123161) 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, 957416 + ... + 969053.

It is an arithmetic number, because the mean of its divisors is an integer number (1065337910).

Almost surely, 2^11210123111 is an apocalyptic number.

11210123111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11210123111 is a deficient number, since it is larger than the sum of its proper divisors (1573931809).

11210123111 is a wasteful number, since it uses less digits than its factorization.

11210123111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926526 (or 1926503 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11210123111 its reverse (11132101211), we get a palindrome (22342224322).

The spelling of 11210123111 in words is "eleven billion, two hundred ten million, one hundred twenty-three thousand, one hundred eleven".