110011100221212 has 24 divisors (see below), whose sum is σ = 256706589248256. Its totient is φ = 36668363588208.

The previous prime is 110011100221199. The next prime is 110011100221213. The reversal of 110011100221212 is 212122001110011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 110011100221191 and 110011100221200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110011100221213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250165188 + ... + 250604555.

It is an arithmetic number, because the mean of its divisors is an integer number (10696107885344).

Almost surely, 2^{110011100221212} is an apocalyptic number.

110011100221212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

110011100221212 is an abundant number, since it is smaller than the sum of its proper divisors (146695489027044).

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

110011100221212 is a wasteful number, since it uses less digits than its factorization.

110011100221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500788057 (or 500788055 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 110011100221212 its reverse (212122001110011), we get a palindrome (322133101331223).

The spelling of 110011100221212 in words is "one hundred ten trillion, eleven billion, one hundred million, two hundred twenty-one thousand, two hundred twelve".