202220110121 has 4 divisors (see below), whose sum is σ = 203431009152. Its totient is φ = 201009211092.

The previous prime is 202220110069. The next prime is 202220110189. The reversal of 202220110121 is 121011022202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202220110121 - 2¹⁴ = 202220093737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202220110096 and 202220110105.

It is not an unprimeable number, because it can be changed into a prime (202220110621) 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, 605449265 + ... + 605449598.

It is an arithmetic number, because the mean of its divisors is an integer number (50857752288).

Almost surely, 2^202220110121 is an apocalyptic number.

It is an amenable number.

202220110121 is a deficient number, since it is larger than the sum of its proper divisors (1210899031).

202220110121 is a wasteful number, since it uses less digits than its factorization.

202220110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210899030.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202220110121 its reverse (121011022202), we get a palindrome (323231132323).

The spelling of 202220110121 in words is "two hundred two billion, two hundred twenty million, one hundred ten thousand, one hundred twenty-one".