202002010000121 has 4 divisors (see below), whose sum is σ = 202002042163200. Its totient is φ = 202001977837044.

The previous prime is 202002010000117. The next prime is 202002010000183. The reversal of 202002010000121 is 121000010200202.

It is a happy number.

202002010000121 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.

It is a cyclic number.

It is not a de Polignac number, because 202002010000121 - 2² = 202002010000117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202002010000111) 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, 3245561 + ... + 20360198.

It is an arithmetic number, because the mean of its divisors is an integer number (50500510540800).

Almost surely, 2^{202002010000121} is an apocalyptic number.

It is an amenable number.

202002010000121 is a deficient number, since it is larger than the sum of its proper divisors (32163079).

202002010000121 is an equidigital number, since it uses as much as digits as its factorization.

202002010000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32163078.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 202002010000121 its reverse (121000010200202), we get a palindrome (323002020200323).

The spelling of 202002010000121 in words is "two hundred two trillion, two billion, ten million, one hundred twenty-one", and thus it is an aban number.