111202020110120 has 128 divisors (see below), whose sum is σ = 255066217021440. Its totient is φ = 43627106315520.

The previous prime is 111202020109991. The next prime is 111202020110123. The reversal of 111202020110120 is 21011020202111.

It is a junction number, because it is equal to n+sod(n) for n = 111202020110095 and 111202020110104.

It is not an unprimeable number, because it can be changed into a prime (111202020110123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174703559 + ... + 175338921.

It is an arithmetic number, because the mean of its divisors is an integer number (1992704820480).

Almost surely, 2^{111202020110120} is an apocalyptic number.

111202020110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111202020110120 is an abundant number, since it is smaller than the sum of its proper divisors (143864196911320).

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

111202020110120 is a wasteful number, since it uses less digits than its factorization.

111202020110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635895 (or 635891 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111202020110120 its reverse (21011020202111), we get a palindrome (132213040312231).

The spelling of 111202020110120 in words is "one hundred eleven trillion, two hundred two billion, twenty million, one hundred ten thousand, one hundred twenty".