10121121010002 has 8 divisors (see below), whose sum is σ = 20242242020016. Its totient is φ = 3373707003332.

The previous prime is 10121121009991. The next prime is 10121121010009. The reversal of 10121121010002 is 20001012112101.

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

10121121010002 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 10121121010002.

It is not an unprimeable number, because it can be changed into a prime (10121121010009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 843426750828 + ... + 843426750839.

It is an arithmetic number, because the mean of its divisors is an integer number (2530280252502).

Almost surely, 2^{10121121010002} is an apocalyptic number.

10121121010002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10121121010002 is a wasteful number, since it uses less digits than its factorization.

10121121010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686853501672.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10121121010002 its reverse (20001012112101), we get a palindrome (30122133122103).

The spelling of 10121121010002 in words is "ten trillion, one hundred twenty-one billion, one hundred twenty-one million, ten thousand, two".