1001210002121 has 8 divisors (see below), whose sum is σ = 1165829436864. Its totient is φ = 841987926000.

The previous prime is 1001210002049. The next prime is 1001210002151. The reversal of 1001210002121 is 1212000121001.

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 1001210002121 - 2¹⁰ = 1001210001097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001210002151) 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, 1349339255 + ... + 1349339996.

It is an arithmetic number, because the mean of its divisors is an integer number (145728679608).

Almost surely, 2^{1001210002121} is an apocalyptic number.

It is an amenable number.

1001210002121 is a deficient number, since it is larger than the sum of its proper divisors (164619434743).

1001210002121 is an equidigital number, since it uses as much as digits as its factorization.

1001210002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698679311.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1001210002121 its reverse (1212000121001), we get a palindrome (2213210123122).

The spelling of 1001210002121 in words is "one trillion, one billion, two hundred ten million, two thousand, one hundred twenty-one".