11212040422 has 8 divisors (see below), whose sum is σ = 18346975272. Its totient is φ = 5096382000.

The previous prime is 11212040419. The next prime is 11212040459. The reversal of 11212040422 is 22404021211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11212040422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254819079 + ... + 254819122.

It is an arithmetic number, because the mean of its divisors is an integer number (2293371909).

Almost surely, 2^11212040422 is an apocalyptic number.

11212040422 is a deficient number, since it is larger than the sum of its proper divisors (7134934850).

11212040422 is a wasteful number, since it uses less digits than its factorization.

11212040422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509638214.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 11212040422 its reverse (22404021211), we get a palindrome (33616061633).

The spelling of 11212040422 in words is "eleven billion, two hundred twelve million, forty thousand, four hundred twenty-two".