202008121 has 16 divisors (see below), whose sum is σ = 239735808. Its totient is φ = 166564800.

The previous prime is 202008101. The next prime is 202008151. The reversal of 202008121 is 121800202.

It is a cyclic number.

It is not a de Polignac number, because 202008121 - 2⁹ = 202007609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202008095 and 202008104.

It is not an unprimeable number, because it can be changed into a prime (202008101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34851 + ... + 40231.

It is an arithmetic number, because the mean of its divisors is an integer number (14983488).

Almost surely, 2^202008121 is an apocalyptic number.

It is an amenable number.

202008121 is a deficient number, since it is larger than the sum of its proper divisors (37727687).

202008121 is a wasteful number, since it uses less digits than its factorization.

202008121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5592.

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

The square root of 202008121 is about 14212.9560964635. The cubic root of 202008121 is about 586.7542937220.

Adding to 202008121 its reverse (121800202), we get a palindrome (323808323).

The spelling of 202008121 in words is "two hundred two million, eight thousand, one hundred twenty-one".