11011212101112 has 32 divisors (see below), whose sum is σ = 27565585590480. Its totient is φ = 3665396655360.

The previous prime is 11011212101081. The next prime is 11011212101143. The reversal of 11011212101112 is 21110121211011.

It is an interprime number because it is at equal distance from previous prime (11011212101081) and next prime (11011212101143).

It is a junction number, because it is equal to n+sod(n) for n = 11011212101091 and 11011212101100.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 312943189 + ... + 312978372.

Almost surely, 2^{11011212101112} is an apocalyptic number.

11011212101112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11011212101112 is an abundant number, since it is smaller than the sum of its proper divisors (16554373489368).

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

11011212101112 is a wasteful number, since it uses less digits than its factorization.

11011212101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625922303 (or 625922299 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11011212101112 its reverse (21110121211011), we get a palindrome (32121333312123).

The spelling of 11011212101112 in words is "eleven trillion, eleven billion, two hundred twelve million, one hundred one thousand, one hundred twelve".