11120012000020 has 72 divisors (see below), whose sum is σ = 29334775502592. Its totient is φ = 3465977760960.

The previous prime is 11120011999979. The next prime is 11120012000023. The reversal of 11120012000020 is 2000021002111.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 11120011999970 and 11120012000006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120012000023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 328200652 + ... + 328234531.

It is an arithmetic number, because the mean of its divisors is an integer number (407427437536).

Almost surely, 2^{11120012000020} is an apocalyptic number.

11120012000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11120012000020 is an abundant number, since it is smaller than the sum of its proper divisors (18214763502572).

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

11120012000020 is a wasteful number, since it uses less digits than its factorization.

11120012000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656435221 (or 656435208 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11120012000020 its reverse (2000021002111), we get a palindrome (13120033002131).

The spelling of 11120012000020 in words is "eleven trillion, one hundred twenty billion, twelve million, twenty", and thus it is an aban number.