111210200120 has 16 divisors (see below), whose sum is σ = 250222950360. Its totient is φ = 44484080032.

The previous prime is 111210200099. The next prime is 111210200131. The reversal of 111210200120 is 21002012111.

It is a super-2 number, since 2×111210200120² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1390127462 + ... + 1390127541.

Almost surely, 2^111210200120 is an apocalyptic number.

111210200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111210200120 is an abundant number, since it is smaller than the sum of its proper divisors (139012750240).

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

111210200120 is a wasteful number, since it uses less digits than its factorization.

111210200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780255014 (or 2780255010 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111210200120 its reverse (21002012111), we get a palindrome (132212212231).

The spelling of 111210200120 in words is "one hundred eleven billion, two hundred ten million, two hundred thousand, one hundred twenty".