120111100011100 has 108 divisors (see below), whose sum is σ = 287678551168624. Its totient is φ = 43495531200000.

The previous prime is 120111100011083. The next prime is 120111100011103. The reversal of 120111100011100 is 1110001111021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120111100011103) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17678376 + ... + 23510575.

Almost surely, 2^{120111100011100} is an apocalyptic number.

120111100011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120111100011100 is an abundant number, since it is smaller than the sum of its proper divisors (167567451157524).

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

120111100011100 is a wasteful number, since it uses less digits than its factorization.

120111100011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41189228 (or 41189210 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 120111100011100 its reverse (1110001111021), we get a palindrome (121221101122121).

The spelling of 120111100011100 in words is "one hundred twenty trillion, one hundred eleven billion, one hundred million, eleven thousand, one hundred".