200002100121010 has 64 divisors (see below), whose sum is σ = 395742281261184. Its totient is φ = 72170501478400.

The previous prime is 200002100120993. The next prime is 200002100121017. The reversal of 200002100121010 is 10121001200002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (200002100121017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 475218792 + ... + 475639468.

It is an arithmetic number, because the mean of its divisors is an integer number (6183473144706).

Almost surely, 2^{200002100121010} is an apocalyptic number.

200002100121010 is a deficient number, since it is larger than the sum of its proper divisors (195740181140174).

200002100121010 is a wasteful number, since it uses less digits than its factorization.

200002100121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453819.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 200002100121010 its reverse (10121001200002), we get a palindrome (210123101321012).

The spelling of 200002100121010 in words is "two hundred trillion, two billion, one hundred million, one hundred twenty-one thousand, ten".