11211304126 has 48 divisors (see below), whose sum is σ = 20247207120. Its totient is φ = 4630841600.

The previous prime is 11211304123. The next prime is 11211304127. The reversal of 11211304126 is 62140311211.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 11211304097 and 11211304106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211304121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72321 + ... + 166291.

It is an arithmetic number, because the mean of its divisors is an integer number (421816815).

Almost surely, 2^11211304126 is an apocalyptic number.

11211304126 is a deficient number, since it is larger than the sum of its proper divisors (9035902994).

11211304126 is a wasteful number, since it uses less digits than its factorization.

11211304126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94041 (or 94030 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 11211304126 its reverse (62140311211), we get a palindrome (73351615337).

The spelling of 11211304126 in words is "eleven billion, two hundred eleven million, three hundred four thousand, one hundred twenty-six".