11123421110 has 16 divisors (see below), whose sum is σ = 20399935536. Its totient is φ = 4365417888.

The previous prime is 11123421107. The next prime is 11123421143. The reversal of 11123421110 is 1112432111.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10493264 + ... + 10494323.

It is an arithmetic number, because the mean of its divisors is an integer number (1274995971).

Almost surely, 2^11123421110 is an apocalyptic number.

11123421110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11123421110 is a deficient number, since it is larger than the sum of its proper divisors (9276514426).

11123421110 is a wasteful number, since it uses less digits than its factorization.

11123421110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20987647.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11123421110 its reverse (1112432111), we get a palindrome (12235853221).

The spelling of 11123421110 in words is "eleven billion, one hundred twenty-three million, four hundred twenty-one thousand, one hundred ten".