10002121020200 has 48 divisors (see below), whose sum is σ = 23287275144000. Its totient is φ = 3995283888320.

The previous prime is 10002121020181. The next prime is 10002121020253. The reversal of 10002121020200 is 202012120001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34634090 + ... + 34921689.

It is an arithmetic number, because the mean of its divisors is an integer number (485151565500).

Almost surely, 2^{10002121020200} is an apocalyptic number.

10002121020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10002121020200 is an abundant number, since it is smaller than the sum of its proper divisors (13285154123800).

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

10002121020200 is a wasteful number, since it uses less digits than its factorization.

10002121020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69556514 (or 69556505 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10002121020200 its reverse (202012120001), we get a palindrome (10204133140201).

The spelling of 10002121020200 in words is "ten trillion, two billion, one hundred twenty-one million, twenty thousand, two hundred".