111100120200212 has 54 divisors (see below), whose sum is σ = 231410592117054. Its totient is φ = 46615435014720.

The previous prime is 111100120200211. The next prime is 111100120200221. The reversal of 111100120200212 is 212002021001111.

It can be written as a sum of positive squares in 3 ways, for example, as 4083495226756 + 107016624973456 = 2020766^2 + 10344884^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100120200211) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 679047503 + ... + 679211094.

It is an arithmetic number, because the mean of its divisors is an integer number (4285381335501).

Almost surely, 2^{111100120200212} is an apocalyptic number.

It is an amenable number.

111100120200212 is an abundant number, since it is smaller than the sum of its proper divisors (120310471916842).

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

111100120200212 is a wasteful number, since it uses less digits than its factorization.

111100120200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358258649 (or 1358258623 counting only the distinct ones).

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

Adding to 111100120200212 its reverse (212002021001111), we get a palindrome (323102141201323).

The spelling of 111100120200212 in words is "one hundred eleven trillion, one hundred billion, one hundred twenty million, two hundred thousand, two hundred twelve".