110121212212020 has 60 divisors (see below), whose sum is σ = 345454321277604. Its totient is φ = 29365656589440.

The previous prime is 110121212212013. The next prime is 110121212212069. The reversal of 110121212212020 is 20212212121011.

110121212212020 is a `hidden beast` number, since 110 + 12 + 121 + 221 + 202 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 44926374965796 + 65194837246224 = 6702714^2 + 8074332^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 110121212211984 and 110121212212002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 33988026841 + ... + 33988030080.

Almost surely, 2^{110121212212020} is an apocalyptic number.

110121212212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110121212212020 is an abundant number, since it is smaller than the sum of its proper divisors (235333109065584).

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

110121212212020 is a wasteful number, since it uses less digits than its factorization.

110121212212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67976056942 (or 67976056931 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 110121212212020 its reverse (20212212121011), we get a palindrome (130333424333031).

The spelling of 110121212212020 in words is "one hundred ten trillion, one hundred twenty-one billion, two hundred twelve million, two hundred twelve thousand, twenty".