11211202221112 has 16 divisors (see below), whose sum is σ = 21699101073600. Its totient is φ = 5424775268160.

The previous prime is 11211202221083. The next prime is 11211202221151. The reversal of 11211202221112 is 21112220211211.

It is a happy number.

11211202221112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11211202221112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22603230037 + ... + 22603230532.

It is an arithmetic number, because the mean of its divisors is an integer number (1356193817100).

Almost surely, 2^{11211202221112} is an apocalyptic number.

It is an amenable number.

11211202221112 is a deficient number, since it is larger than the sum of its proper divisors (10487898852488).

11211202221112 is a wasteful number, since it uses less digits than its factorization.

11211202221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45206460606 (or 45206460602 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11211202221112 its reverse (21112220211211), we get a palindrome (32323422432323).

The spelling of 11211202221112 in words is "eleven trillion, two hundred eleven billion, two hundred two million, two hundred twenty-one thousand, one hundred twelve".