11021166036 has 72 divisors (see below), whose sum is σ = 29352785280. Its totient is φ = 3479851584.

The previous prime is 11021166001. The next prime is 11021166043. The reversal of 11021166036 is 63066112011.

It is a super-2 number, since 2×11021166036² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20670 + ... + 149898.

Almost surely, 2^11021166036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11021166036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14676392640).

11021166036 is an abundant number, since it is smaller than the sum of its proper divisors (18331619244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11021166036 is a wasteful number, since it uses less digits than its factorization.

11021166036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129365 (or 129360 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

Adding to 11021166036 its reverse (63066112011), we get a palindrome (74087278047).

The spelling of 11021166036 in words is "eleven billion, twenty-one million, one hundred sixty-six thousand, thirty-six".