200102120121100 has 36 divisors (see below), whose sum is σ = 459764047764504. Its totient is φ = 75332562868480.

The previous prime is 200102120121031. The next prime is 200102120121139. The reversal of 200102120121100 is 1121021201002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58853563042 + ... + 58853566441.

It is an arithmetic number, because the mean of its divisors is an integer number (12771223549014).

Almost surely, 2^{200102120121100} is an apocalyptic number.

200102120121100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200102120121100 is an abundant number, since it is smaller than the sum of its proper divisors (259661927643404).

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

200102120121100 is a wasteful number, since it uses less digits than its factorization.

200102120121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117707129514 (or 117707129507 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200102120121100 its reverse (1121021201002), we get a palindrome (201223141322102).

The spelling of 200102120121100 in words is "two hundred trillion, one hundred two billion, one hundred twenty million, one hundred twenty-one thousand, one hundred".