220002110121121 has 8 divisors (see below), whose sum is σ = 228240505521000. Its totient is φ = 211807189104000.

The previous prime is 220002110121119. The next prime is 220002110121221. The reversal of 220002110121121 is 121121011200022.

220002110121121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 129895711952400 + 90106398168721 = 11397180^2 + 9492439^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220002110121121 - 2¹ = 220002110121119 is a prime.

It is a super-2 number, since 2×220002110121121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220002110121095 and 220002110121104.

It is not an unprimeable number, because it can be changed into a prime (220002110121221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10868585380 + ... + 10868605621.

It is an arithmetic number, because the mean of its divisors is an integer number (28530063190125).

Almost surely, 2^{220002110121121} is an apocalyptic number.

It is an amenable number.

220002110121121 is a deficient number, since it is larger than the sum of its proper divisors (8238395399879).

220002110121121 is a wasteful number, since it uses less digits than its factorization.

220002110121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21737191379.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 220002110121121 its reverse (121121011200022), we get a palindrome (341123121321143).

It can be divided in two parts, 220002 and 110121121, that multiplied together give a palindrome (24226866862242).

The spelling of 220002110121121 in words is "two hundred twenty trillion, two billion, one hundred ten million, one hundred twenty-one thousand, one hundred twenty-one".