201202002121 has 8 divisors (see below), whose sum is σ = 212282985600. Its totient is φ = 190170159120.

The previous prime is 201202002109. The next prime is 201202002139. The reversal of 201202002121 is 121200202102.

It is a happy number.

201202002121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201202002121 - 2¹⁷ = 201201871049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201202702121) 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 7 ways as a sum of consecutive naturals, for example, 12276706 + ... + 12293083.

It is an arithmetic number, because the mean of its divisors is an integer number (26535373200).

Almost surely, 2^201202002121 is an apocalyptic number.

It is an amenable number.

201202002121 is a deficient number, since it is larger than the sum of its proper divisors (11080983479).

201202002121 is a wasteful number, since it uses less digits than its factorization.

201202002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24570239.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201202002121 its reverse (121200202102), we get a palindrome (322402204223).

The spelling of 201202002121 in words is "two hundred one billion, two hundred two million, two thousand, one hundred twenty-one".