10000121020200 has 144 divisors (see below), whose sum is σ = 34827582142080. Its totient is φ = 2666698925760.

The previous prime is 10000121020159. The next prime is 10000121020247. The reversal of 10000121020200 is 202012100001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 102833304 + ... + 102930503.

It is an arithmetic number, because the mean of its divisors is an integer number (241858209320).

Almost surely, 2^{10000121020200} is an apocalyptic number.

10000121020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10000121020200 is an abundant number, since it is smaller than the sum of its proper divisors (24827461121880).

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

10000121020200 is a wasteful number, since it uses less digits than its factorization.

10000121020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205763838 (or 205763817 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10000121020200 its reverse (202012100001), we get a palindrome (10202133120201).

The spelling of 10000121020200 in words is "ten trillion, one hundred twenty-one million, twenty thousand, two hundred".