111121020010200 has 96 divisors (see below), whose sum is σ = 344759150408400. Its totient is φ = 29607842895360.

The previous prime is 111121020010199. The next prime is 111121020010211. The reversal of 111121020010200 is 2010020121111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75612555 + ... + 77068154.

Almost surely, 2^{111121020010200} is an apocalyptic number.

111121020010200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111121020010200 is an abundant number, since it is smaller than the sum of its proper divisors (233638130398200).

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

111121020010200 is a wasteful number, since it uses less digits than its factorization.

111121020010200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152681941 (or 152681932 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111121020010200 its reverse (2010020121111), we get a palindrome (113131040131311).

The spelling of 111121020010200 in words is "one hundred eleven trillion, one hundred twenty-one billion, twenty million, ten thousand, two hundred".