11230221996 has 240 divisors, whose sum is σ = 34530496000. Its totient is φ = 3181169376.

The previous prime is 11230221949. The next prime is 11230222001. The reversal of 11230221996 is 69912203211.

It is a super-2 number, since 2×11230221996² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11230221996.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 15446985 + ... + 15447711.

Almost surely, 2^11230221996 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 11230221996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17265248000).

11230221996 is an abundant number, since it is smaller than the sum of its proper divisors (23300274004).

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

11230221996 is a wasteful number, since it uses less digits than its factorization.

11230221996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903 (or 878 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 11230221996 in words is "eleven billion, two hundred thirty million, two hundred twenty-one thousand, nine hundred ninety-six".