11211112021222 has 8 divisors (see below), whose sum is σ = 16816767662376. Its totient is φ = 5605522800432.

The previous prime is 11211112021091. The next prime is 11211112021283. The reversal of 11211112021222 is 22212021111211.

It is a happy number.

11211112021222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11211112021222.

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, 16180948 + ... + 16859575.

It is an arithmetic number, because the mean of its divisors is an integer number (2102095957797).

Almost surely, 2^{11211112021222} is an apocalyptic number.

11211112021222 is a deficient number, since it is larger than the sum of its proper divisors (5605655641154).

11211112021222 is a wasteful number, since it uses less digits than its factorization.

11211112021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33210182.

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

Adding to 11211112021222 its reverse (22212021111211), we get a palindrome (33423133132433).

The spelling of 11211112021222 in words is "eleven trillion, two hundred eleven billion, one hundred twelve million, twenty-one thousand, two hundred twenty-two".