110111121201220 has 12 divisors (see below), whose sum is σ = 231233354522604. Its totient is φ = 44044448480480.

The previous prime is 110111121201121. The next prime is 110111121201227. The reversal of 110111121201220 is 22102121111011.

It can be written as a sum of positive squares in 2 ways, for example, as 24689311319556 + 85421809881664 = 4968834^2 + 9242392^2 .

It is a junction number, because it is equal to n+sod(n) for n = 110111121201194 and 110111121201203.

It is not an unprimeable number, because it can be changed into a prime (110111121201227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2752778030011 + ... + 2752778030050.

It is an arithmetic number, because the mean of its divisors is an integer number (19269446210217).

Almost surely, 2^{110111121201220} is an apocalyptic number.

110111121201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110111121201220 is an abundant number, since it is smaller than the sum of its proper divisors (121122233321384).

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

110111121201220 is a wasteful number, since it uses less digits than its factorization.

110111121201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505556060070 (or 5505556060068 counting only the distinct ones).

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

Adding to 110111121201220 its reverse (22102121111011), we get a palindrome (132213242312231).

The spelling of 110111121201220 in words is "one hundred ten trillion, one hundred eleven billion, one hundred twenty-one million, two hundred one thousand, two hundred twenty".