11011002221212 has 24 divisors (see below), whose sum is σ = 22287329801856. Its totient is φ = 4662145517808.

The previous prime is 11011002221183. The next prime is 11011002221213. The reversal of 11011002221212 is 21212220011011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011002221213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2368974058 + ... + 2368978705.

It is an arithmetic number, because the mean of its divisors is an integer number (928638741744).

Almost surely, 2^{11011002221212} is an apocalyptic number.

It is an amenable number.

11011002221212 is an abundant number, since it is smaller than the sum of its proper divisors (11276327580644).

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

11011002221212 is a wasteful number, since it uses less digits than its factorization.

11011002221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4737952857 (or 4737952855 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11011002221212 its reverse (21212220011011), we get a palindrome (32223222232223).

The spelling of 11011002221212 in words is "eleven trillion, eleven billion, two million, two hundred twenty-one thousand, two hundred twelve".