11113212134 has 32 divisors (see below), whose sum is σ = 17613766656. Its totient is φ = 5250944160.

The previous prime is 11113212133. The next prime is 11113212139. The reversal of 11113212134 is 43121231111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11113212133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1345064 + ... + 1353300.

It is an arithmetic number, because the mean of its divisors is an integer number (550430208).

Almost surely, 2^11113212134 is an apocalyptic number.

11113212134 is a deficient number, since it is larger than the sum of its proper divisors (6500554522).

11113212134 is a wasteful number, since it uses less digits than its factorization.

11113212134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8780.

The product of its digits is 144, while the sum is 20.

Adding to 11113212134 its reverse (43121231111), we get a palindrome (54234443245).

The spelling of 11113212134 in words is "eleven billion, one hundred thirteen million, two hundred twelve thousand, one hundred thirty-four".