11211200222112 has 192 divisors, whose sum is σ = 35674166707200. Its totient is φ = 3397127120640.

The previous prime is 11211200222099. The next prime is 11211200222113. The reversal of 11211200222112 is 21122200211211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11211200222113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243916189 + ... + 243962147.

It is an arithmetic number, because the mean of its divisors is an integer number (185802951600).

Almost surely, 2^{11211200222112} is an apocalyptic number.

11211200222112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11211200222112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17837083353600).

11211200222112 is an abundant number, since it is smaller than the sum of its proper divisors (24462966485088).

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

11211200222112 is a wasteful number, since it uses less digits than its factorization.

11211200222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71656 (or 71642 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11211200222112 its reverse (21122200211211), we get a palindrome (32333400433323).

The spelling of 11211200222112 in words is "eleven trillion, two hundred eleven billion, two hundred million, two hundred twenty-two thousand, one hundred twelve".