210002011202121 has 8 divisors (see below), whose sum is σ = 280081091777184. Its totient is φ = 139962135714240.

The previous prime is 210002011202111. The next prime is 210002011202131. The reversal of 210002011202121 is 121202110200012.

It is an interprime number because it is at equal distance from previous prime (210002011202111) and next prime (210002011202131).

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

It is not a de Polignac number, because 210002011202121 - 2⁷ = 210002011201993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210002011202121.

It is not an unprimeable number, because it can be changed into a prime (210002011202101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9801259296 + ... + 9801280721.

It is an arithmetic number, because the mean of its divisors is an integer number (35010136472148).

Almost surely, 2^{210002011202121} is an apocalyptic number.

It is an amenable number.

210002011202121 is a deficient number, since it is larger than the sum of its proper divisors (70079080575063).

210002011202121 is a wasteful number, since it uses less digits than its factorization.

210002011202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19602543591.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210002011202121 its reverse (121202110200012), we get a palindrome (331204121402133).

The spelling of 210002011202121 in words is "two hundred ten trillion, two billion, eleven million, two hundred two thousand, one hundred twenty-one".