120112111211100 has 36 divisors (see below), whose sum is σ = 347524375104984. Its totient is φ = 32029896322880.

The previous prime is 120112111211093. The next prime is 120112111211101. The reversal of 120112111211100 is 1112111211021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120112111211100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120112111211101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200186851719 + ... + 200186852318.

Almost surely, 2^{120112111211100} is an apocalyptic number.

120112111211100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120112111211100 is an abundant number, since it is smaller than the sum of its proper divisors (227412263893884).

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

120112111211100 is a wasteful number, since it uses less digits than its factorization.

120112111211100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400373704054 (or 400373704047 counting only the distinct ones).

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

Adding to 120112111211100 its reverse (1112111211021), we get a palindrome (121224222422121).

The spelling of 120112111211100 in words is "one hundred twenty trillion, one hundred twelve billion, one hundred eleven million, two hundred eleven thousand, one hundred".