111101000200120 has 128 divisors (see below), whose sum is σ = 291228891955200. Its totient is φ = 37358641958400.

The previous prime is 111101000200109. The next prime is 111101000200159. The reversal of 111101000200120 is 21002000101111.

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 = 111101000200097 and 111101000200106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10832715 + ... + 18426874.

It is an arithmetic number, because the mean of its divisors is an integer number (2275225718400).

Almost surely, 2^{111101000200120} is an apocalyptic number.

111101000200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111101000200120 is an abundant number, since it is smaller than the sum of its proper divisors (180127891755080).

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

111101000200120 is a wasteful number, since it uses less digits than its factorization.

111101000200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29259869 (or 29259865 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111101000200120 its reverse (21002000101111), we get a palindrome (132103000301231).

Subtracting from 111101000200120 its reverse (21002000101111), we obtain a palindrome (90099000099009).

The spelling of 111101000200120 in words is "one hundred eleven trillion, one hundred one billion, two hundred thousand, one hundred twenty".