110212121012220 has 96 divisors (see below), whose sum is σ = 342910411683840. Its totient is φ = 29387476872000.

The previous prime is 110212121012167. The next prime is 110212121012237. The reversal of 110212121012220 is 22210121212011.

110212121012220 is a `hidden beast` number, since 1 + 10 + 212 + 1 + 210 + 12 + 220 = 666.

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 = 110212121012193 and 110212121012202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1846656 + ... + 14961095.

It is an arithmetic number, because the mean of its divisors is an integer number (3571983455040).

Almost surely, 2^{110212121012220} is an apocalyptic number.

110212121012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110212121012220 is an abundant number, since it is smaller than the sum of its proper divisors (232698290671620).

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

110212121012220 is a wasteful number, since it uses less digits than its factorization.

110212121012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16819912 (or 16819904 counting only the distinct ones).

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

Adding to 110212121012220 its reverse (22210121212011), we get a palindrome (132422242224231).

The spelling of 110212121012220 in words is "one hundred ten trillion, two hundred twelve billion, one hundred twenty-one million, twelve thousand, two hundred twenty".