11043220012 has 24 divisors (see below), whose sum is σ = 21291257232. Its totient is φ = 4969944000.

The previous prime is 11043220003. The next prime is 11043220021. The reversal of 11043220012 is 21002234011.

It is an interprime number because it is at equal distance from previous prime (11043220003) and next prime (11043220021).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1238043 + ... + 1246930.

It is an arithmetic number, because the mean of its divisors is an integer number (887135718).

Almost surely, 2^11043220012 is an apocalyptic number.

It is an amenable number.

11043220012 is a deficient number, since it is larger than the sum of its proper divisors (10248037220).

11043220012 is a wasteful number, since it uses less digits than its factorization.

11043220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485089 (or 2485087 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 11043220012 its reverse (21002234011), we get a palindrome (32045454023).

The spelling of 11043220012 in words is "eleven billion, forty-three million, two hundred twenty thousand, twelve".