11211100222112 has 96 divisors (see below), whose sum is σ = 25852680088704. Its totient is φ = 4685307494400.

The previous prime is 11211100222111. The next prime is 11211100222129. The reversal of 11211100222112 is 21122200111211.

It is not an unprimeable number, because it can be changed into a prime (11211100222111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18818603 + ... + 19405205.

It is an arithmetic number, because the mean of its divisors is an integer number (269298750924).

Almost surely, 2^{11211100222112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11211100222112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12926340044352).

11211100222112 is an abundant number, since it is smaller than the sum of its proper divisors (14641579866592).

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

11211100222112 is a wasteful number, since it uses less digits than its factorization.

11211100222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588742 (or 588734 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11211100222112 its reverse (21122200111211), we get a palindrome (32333300333323).

The spelling of 11211100222112 in words is "eleven trillion, two hundred eleven billion, one hundred million, two hundred twenty-two thousand, one hundred twelve".