11220203222012 has 24 divisors (see below), whose sum is σ = 20808889947216. Its totient is φ = 5275393820928.

The previous prime is 11220203221987. The next prime is 11220203222083. The reversal of 11220203222012 is 21022230202211.

11220203222012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11220203222012² (a number of 27 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 7 ways as a sum of consecutive naturals, for example, 73388903 + ... + 73541630.

It is an arithmetic number, because the mean of its divisors is an integer number (867037081134).

Almost surely, 2^{11220203222012} is an apocalyptic number.

It is an amenable number.

11220203222012 is a deficient number, since it is larger than the sum of its proper divisors (9588686725204).

11220203222012 is a wasteful number, since it uses less digits than its factorization.

11220203222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146931677 (or 146931675 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11220203222012 its reverse (21022230202211), we get a palindrome (32242433424223).

The spelling of 11220203222012 in words is "eleven trillion, two hundred twenty billion, two hundred three million, two hundred twenty-two thousand, twelve".