11211122036 has 12 divisors (see below), whose sum is σ = 19623758112. Its totient is φ = 5604334008.

The previous prime is 11211122033. The next prime is 11211122057. The reversal of 11211122036 is 63022111211.

It is a junction number, because it is equal to n+sod(n) for n = 11211121999 and 11211122017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211122033) 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, 286040 + ... + 322863.

It is an arithmetic number, because the mean of its divisors is an integer number (1635313176).

Almost surely, 2^11211122036 is an apocalyptic number.

It is an amenable number.

11211122036 is a deficient number, since it is larger than the sum of its proper divisors (8412636076).

11211122036 is a wasteful number, since it uses less digits than its factorization.

11211122036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613510 (or 613508 counting only the distinct ones).

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

Adding to 11211122036 its reverse (63022111211), we get a palindrome (74233233247).

The spelling of 11211122036 in words is "eleven billion, two hundred eleven million, one hundred twenty-two thousand, thirty-six".