11120021220012 has 24 divisors (see below), whose sum is σ = 25947409345200. Its totient is φ = 3706574716416.

The previous prime is 11120021220001. The next prime is 11120021220013. The reversal of 11120021220012 is 21002212002111.

It is a junction number, because it is equal to n+sod(n) for n = 11120021219973 and 11120021220000.

It is not an unprimeable number, because it can be changed into a prime (11120021220013) 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, 11909337 + ... + 12809072.

It is an arithmetic number, because the mean of its divisors is an integer number (1081142056050).

Almost surely, 2^{11120021220012} is an apocalyptic number.

11120021220012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11120021220012 is an abundant number, since it is smaller than the sum of its proper divisors (14827388125188).

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

11120021220012 is a wasteful number, since it uses less digits than its factorization.

11120021220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24755905 (or 24755903 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11120021220012 its reverse (21002212002111), we get a palindrome (32122233222123).

The spelling of 11120021220012 in words is "eleven trillion, one hundred twenty billion, twenty-one million, two hundred twenty thousand, twelve".