10121020210002 has 16 divisors (see below), whose sum is σ = 21799120452480. Its totient is φ = 3114160064592.

The previous prime is 10121020210001. The next prime is 10121020210019. The reversal of 10121020210002 is 20001202012101.

It is a self number, because there is not a number n which added to its sum of digits gives 10121020210002.

It is not an unprimeable number, because it can be changed into a prime (10121020210001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64878334602 + ... + 64878334757.

It is an arithmetic number, because the mean of its divisors is an integer number (1362445028280).

Almost surely, 2^{10121020210002} is an apocalyptic number.

10121020210002 is an abundant number, since it is smaller than the sum of its proper divisors (11678100242478).

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

10121020210002 is a wasteful number, since it uses less digits than its factorization.

10121020210002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129756669377.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10121020210002 its reverse (20001202012101), we get a palindrome (30122222222103).

The spelling of 10121020210002 in words is "ten trillion, one hundred twenty-one billion, twenty million, two hundred ten thousand, two".