10000200020121 has 16 divisors (see below), whose sum is σ = 14816183001600. Its totient is φ = 6666317676144.

The previous prime is 10000200020081. The next prime is 10000200020149. The reversal of 10000200020121 is 12102000200001.

It is not a de Polignac number, because 10000200020121 - 2¹¹ = 10000200018073 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (10000200021121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13017961 + ... + 13764726.

It is an arithmetic number, because the mean of its divisors is an integer number (926011437600).

Almost surely, 2^{10000200020121} is an apocalyptic number.

It is an amenable number.

10000200020121 is a deficient number, since it is larger than the sum of its proper divisors (4815982981479).

10000200020121 is a wasteful number, since it uses less digits than its factorization.

10000200020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26796525 (or 26796519 counting only the distinct ones).

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

Adding to 10000200020121 its reverse (12102000200001), we get a palindrome (22102200220122).

The spelling of 10000200020121 in words is "ten trillion, two hundred million, twenty thousand, one hundred twenty-one".