202010010120121 has 16 divisors (see below), whose sum is σ = 231480696582144. Its totient is φ = 172692388479744.

The previous prime is 202010010120109. The next prime is 202010010120131. The reversal of 202010010120121 is 121021010010202.

It is not a de Polignac number, because 202010010120121 - 2⁹ = 202010010119609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202010010120131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65608485 + ... + 68618461.

It is an arithmetic number, because the mean of its divisors is an integer number (14467543536384).

Almost surely, 2^{202010010120121} is an apocalyptic number.

It is an amenable number.

202010010120121 is a deficient number, since it is larger than the sum of its proper divisors (29470686462023).

202010010120121 is a wasteful number, since it uses less digits than its factorization.

202010010120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035400.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202010010120121 its reverse (121021010010202), we get a palindrome (323031020130323).

The spelling of 202010010120121 in words is "two hundred two trillion, ten billion, ten million, one hundred twenty thousand, one hundred twenty-one".