11430120111 has 32 divisors (see below), whose sum is σ = 16199178240. Its totient is φ = 7148754144.

The previous prime is 11430120071. The next prime is 11430120113. The reversal of 11430120111 is 11102103411.

It is not a de Polignac number, because 11430120111 - 2⁹ = 11430119599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11430120113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2691756 + ... + 2695998.

It is an arithmetic number, because the mean of its divisors is an integer number (506224320).

Almost surely, 2^11430120111 is an apocalyptic number.

11430120111 is a deficient number, since it is larger than the sum of its proper divisors (4769058129).

11430120111 is a wasteful number, since it uses less digits than its factorization.

11430120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4715.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11430120111 its reverse (11102103411), we get a palindrome (22532223522).

The spelling of 11430120111 in words is "eleven billion, four hundred thirty million, one hundred twenty thousand, one hundred eleven".