11011200111212 has 12 divisors (see below), whose sum is σ = 22022400222480. Its totient is φ = 4719085761936.

The previous prime is 11011200111209. The next prime is 11011200111227. The reversal of 11011200111212 is 21211100211011.

11011200111212 is an admirable number.

It is a super-2 number, since 2×11011200111212² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196628573387 + ... + 196628573442.

It is an arithmetic number, because the mean of its divisors is an integer number (1835200018540).

Almost surely, 2^{11011200111212} is an apocalyptic number.

It is an amenable number.

11011200111212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11011200111212 is a wasteful number, since it uses less digits than its factorization.

11011200111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393257146840 (or 393257146838 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11011200111212 its reverse (21211100211011), we get a palindrome (32222300322223).

The spelling of 11011200111212 in words is "eleven trillion, eleven billion, two hundred million, one hundred eleven thousand, two hundred twelve".