11021130012 has 48 divisors (see below), whose sum is σ = 25980837120. Its totient is φ = 3635966208.

The previous prime is 11021129989. The next prime is 11021130053. The reversal of 11021130012 is 21003112011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 11021130012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1002039 + ... + 1012977.

It is an arithmetic number, because the mean of its divisors is an integer number (541267440).

Almost surely, 2^11021130012 is an apocalyptic number.

11021130012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11021130012 is an abundant number, since it is smaller than the sum of its proper divisors (14959707108).

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

11021130012 is a wasteful number, since it uses less digits than its factorization.

11021130012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11802 (or 11800 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 11021130012 its reverse (21003112011), we get a palindrome (32024242023).

The spelling of 11021130012 in words is "eleven billion, twenty-one million, one hundred thirty thousand, twelve".