202000122201121 has 4 divisors (see below), whose sum is σ = 202751052023700. Its totient is φ = 201249192378544.

The previous prime is 202000122201091. The next prime is 202000122201139. The reversal of 202000122201121 is 121102221000202.

It is a happy number.

202000122201121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62881965934225 + 139118156266896 = 7929815^2 + 11794836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202000122201121 is a prime.

It is a super-2 number, since 2×202000122201121² (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 = 202000122201095 and 202000122201104.

It is not an unprimeable number, because it can be changed into a prime (202000122201191) 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, 375464910886 + ... + 375464911423.

It is an arithmetic number, because the mean of its divisors is an integer number (50687763005925).

Almost surely, 2^{202000122201121} is an apocalyptic number.

It is an amenable number.

202000122201121 is a deficient number, since it is larger than the sum of its proper divisors (750929822579).

202000122201121 is an equidigital number, since it uses as much as digits as its factorization.

202000122201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750929822578.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202000122201121 its reverse (121102221000202), we get a palindrome (323102343201323).

The spelling of 202000122201121 in words is "two hundred two trillion, one hundred twenty-two million, two hundred one thousand, one hundred twenty-one".