202010011121 has 4 divisors (see below), whose sum is σ = 206308096512. Its totient is φ = 197711925732.

The previous prime is 202010011097. The next prime is 202010011199. The reversal of 202010011121 is 121110010202.

202010011121 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121110010202 = 2 ⋅60555005101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202010011121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202010016121) 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 3 ways as a sum of consecutive naturals, for example, 2149042625 + ... + 2149042718.

It is an arithmetic number, because the mean of its divisors is an integer number (51577024128).

Almost surely, 2^202010011121 is an apocalyptic number.

It is an amenable number.

202010011121 is a deficient number, since it is larger than the sum of its proper divisors (4298085391).

202010011121 is an equidigital number, since it uses as much as digits as its factorization.

202010011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4298085390.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 202010011121 its reverse (121110010202), we get a palindrome (323120021323).

The spelling of 202010011121 in words is "two hundred two billion, ten million, eleven thousand, one hundred twenty-one".