110121221212020 has 72 divisors (see below), whose sum is σ = 334964829064320. Its totient is φ = 29283860479680.

The previous prime is 110121221211983. The next prime is 110121221212061. The reversal of 110121221212020 is 20212122121011.

110121221212020 is a `hidden beast` number, since 1 + 101 + 212 + 212 + 120 + 20 = 666.

It is a super-2 number, since 2×110121221212020² (a number of 29 digits) contains 22 as substring.

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 = 110121221211984 and 110121221212002.

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, 852003016 + ... + 852132255.

It is an arithmetic number, because the mean of its divisors is an integer number (4652289292560).

Almost surely, 2^{110121221212020} is an apocalyptic number.

110121221212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110121221212020 is an abundant number, since it is smaller than the sum of its proper divisors (224843607852300).

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

110121221212020 is a wasteful number, since it uses less digits than its factorization.

110121221212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704135645 (or 1704135640 counting only the distinct ones).

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

Adding to 110121221212020 its reverse (20212122121011), we get a palindrome (130333343333031).

The spelling of 110121221212020 in words is "one hundred ten trillion, one hundred twenty-one billion, two hundred twenty-one million, two hundred twelve thousand, twenty".