11101212000120 has 192 divisors, whose sum is σ = 37595841968160. Its totient is φ = 2618467568640.

The previous prime is 11101212000091. The next prime is 11101212000211. The reversal of 11101212000120 is 2100021210111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11101212000096 and 11101212000105.

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 47 ways as a sum of consecutive naturals, for example, 9794467 + ... + 10868946.

Almost surely, 2^{11101212000120} is an apocalyptic number.

11101212000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101212000120 is an abundant number, since it is smaller than the sum of its proper divisors (26494629968040).

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

11101212000120 is a wasteful number, since it uses less digits than its factorization.

11101212000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20663486 (or 20663471 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11101212000120 its reverse (2100021210111), we get a palindrome (13201233210231).

The spelling of 11101212000120 in words is "eleven trillion, one hundred one billion, two hundred twelve million, one hundred twenty", and thus it is an aban number.