11212102112 has 48 divisors (see below), whose sum is σ = 22426945632. Its totient is φ = 5517043200.

The previous prime is 11212102081. The next prime is 11212102117. The reversal of 11212102112 is 21120121211.

It is a super-2 number, since 2×11212102112² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212102117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529358 + ... + 550130.

It is an arithmetic number, because the mean of its divisors is an integer number (467228034).

Almost surely, 2^11212102112 is an apocalyptic number.

It is an amenable number.

11212102112 is an abundant number, since it is smaller than the sum of its proper divisors (11214843520).

11212102112 is a wasteful number, since it uses less digits than its factorization.

11212102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21051 (or 21043 counting only the distinct ones).

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

Adding to 11212102112 its reverse (21120121211), we get a palindrome (32332223323).

The spelling of 11212102112 in words is "eleven billion, two hundred twelve million, one hundred two thousand, one hundred twelve".