220020110121 has 64 divisors (see below), whose sum is σ = 362140416000. Its totient is φ = 118566681408.

The previous prime is 220020110087. The next prime is 220020110231. The reversal of 220020110121 is 121011020022.

220020110121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220020110121 - 2¹⁴ = 220020093737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220020110097 and 220020110106.

It is not an unprimeable number, because it can be changed into a prime (220020110621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1197430 + ... + 1368896.

It is an arithmetic number, because the mean of its divisors is an integer number (5658444000).

Almost surely, 2^220020110121 is an apocalyptic number.

220020110121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

220020110121 is a deficient number, since it is larger than the sum of its proper divisors (142120305879).

220020110121 is a wasteful number, since it uses less digits than its factorization.

220020110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171563 (or 171549 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 220020110121 its reverse (121011020022), we get a palindrome (341031130143).

Subtracting from 220020110121 its reverse (121011020022), we obtain a palindrome (99009090099).

The spelling of 220020110121 in words is "two hundred twenty billion, twenty million, one hundred ten thousand, one hundred twenty-one".