11421114111 has 48 divisors (see below), whose sum is σ = 18986647680. Its totient is φ = 6542856000.

The previous prime is 11421114091. The next prime is 11421114121. The reversal of 11421114111 is 11141112411.

It is a happy number.

11421114111 is a `hidden beast` number, since 1 + 142 + 111 + 411 + 1 = 666.

It is not a de Polignac number, because 11421114111 - 2¹⁰ = 11421113087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421114121) 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 47 ways as a sum of consecutive naturals, for example, 860556 + ... + 873726.

It is an arithmetic number, because the mean of its divisors is an integer number (395555160).

Almost surely, 2^11421114111 is an apocalyptic number.

11421114111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11421114111 is a deficient number, since it is larger than the sum of its proper divisors (7565533569).

11421114111 is a wasteful number, since it uses less digits than its factorization.

11421114111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13668 (or 13665 counting only the distinct ones).

The product of its digits is 32, while the sum is 18.

Adding to 11421114111 its reverse (11141112411), we get a palindrome (22562226522).

The spelling of 11421114111 in words is "eleven billion, four hundred twenty-one million, one hundred fourteen thousand, one hundred eleven".