202010002010121 has 32 divisors (see below), whose sum is σ = 285378697950336. Its totient is φ = 126667798400000.

The previous prime is 202010002010099. The next prime is 202010002010171. The reversal of 202010002010121 is 121010200010202.

It is a cyclic number.

It is not a de Polignac number, because 202010002010121 - 2⁹ = 202010002009609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202010002010097 and 202010002010106.

It is not an unprimeable number, because it can be changed into a prime (202010002010171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 474143731 + ... + 474569591.

It is an arithmetic number, because the mean of its divisors is an integer number (8918084310948).

Almost surely, 2^{202010002010121} is an apocalyptic number.

It is an amenable number.

202010002010121 is a deficient number, since it is larger than the sum of its proper divisors (83368695940215).

202010002010121 is a wasteful number, since it uses less digits than its factorization.

202010002010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431993.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 202010002010121 its reverse (121010200010202), we get a palindrome (323020202020323).

The spelling of 202010002010121 in words is "two hundred two trillion, ten billion, two million, ten thousand, one hundred twenty-one".