11412124111 has 4 divisors (see below), whose sum is σ = 11442719992. Its totient is φ = 11381528232.

The previous prime is 11412124079. The next prime is 11412124117. The reversal of 11412124111 is 11142121411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11142121411 = 47 ⋅237066413.

It is a cyclic number.

It is not a de Polignac number, because 11412124111 - 2⁵ = 11412124079 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 (11412124117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15297381 + ... + 15298126.

It is an arithmetic number, because the mean of its divisors is an integer number (2860679998).

Almost surely, 2^11412124111 is an apocalyptic number.

11412124111 is a deficient number, since it is larger than the sum of its proper divisors (30595881).

11412124111 is an equidigital number, since it uses as much as digits as its factorization.

11412124111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30595880.

The product of its digits is 64, while the sum is 19.

Adding to 11412124111 its reverse (11142121411), we get a palindrome (22554245522).

The spelling of 11412124111 in words is "eleven billion, four hundred twelve million, one hundred twenty-four thousand, one hundred eleven".