11121545242212 has 48 divisors (see below), whose sum is σ = 25970623291200. Its totient is φ = 3704275519488.

The previous prime is 11121545242207. The next prime is 11121545242217. The reversal of 11121545242212 is 21224254512111.

11121545242212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11121545242207) and next prime (11121545242217).

It is not an unprimeable number, because it can be changed into a prime (11121545242217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87062164 + ... + 87189812.

It is an arithmetic number, because the mean of its divisors is an integer number (541054651900).

Almost surely, 2^{11121545242212} is an apocalyptic number.

11121545242212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11121545242212 is an abundant number, since it is smaller than the sum of its proper divisors (14849078048988).

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

11121545242212 is a wasteful number, since it uses less digits than its factorization.

11121545242212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133292 (or 133290 counting only the distinct ones).

The product of its digits is 12800, while the sum is 33.

Adding to 11121545242212 its reverse (21224254512111), we get a palindrome (32345799754323).

The spelling of 11121545242212 in words is "eleven trillion, one hundred twenty-one billion, five hundred forty-five million, two hundred forty-two thousand, two hundred twelve".