11112212102 has 32 divisors (see below), whose sum is σ = 17174384640. Its totient is φ = 5390264800.

The previous prime is 11112212101. The next prime is 11112212123. The reversal of 11112212102 is 20121221111.

11112212102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112212101) 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 15 ways as a sum of consecutive naturals, for example, 4134203 + ... + 4136889.

It is an arithmetic number, because the mean of its divisors is an integer number (536699520).

Almost surely, 2^11112212102 is an apocalyptic number.

11112212102 is a deficient number, since it is larger than the sum of its proper divisors (6062172538).

11112212102 is a wasteful number, since it uses less digits than its factorization.

11112212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3196.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11112212102 its reverse (20121221111), we get a palindrome (31233433213).

Subtracting 11112212102 from its reverse (20121221111), we obtain a palindrome (9009009009).

The spelling of 11112212102 in words is "eleven billion, one hundred twelve million, two hundred twelve thousand, one hundred two".