111201202212100 has 576 divisors, whose sum is σ = 329907693556224. Its totient is φ = 31676832000000.

The previous prime is 111201202212059. The next prime is 111201202212127. The reversal of 111201202212100 is 1212202102111.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1223276650 + ... + 1223367550.

It is an arithmetic number, because the mean of its divisors is an integer number (572756412424).

Almost surely, 2^{111201202212100} is an apocalyptic number.

111201202212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111201202212100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164953846778112).

111201202212100 is an abundant number, since it is smaller than the sum of its proper divisors (218706491344124).

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

111201202212100 is a wasteful number, since it uses less digits than its factorization.

111201202212100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91069 (or 91040 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111201202212100 its reverse (1212202102111), we get a palindrome (112413404314211).

The spelling of 111201202212100 in words is "one hundred eleven trillion, two hundred one billion, two hundred two million, two hundred twelve thousand, one hundred".