200100121020120 has 64 divisors (see below), whose sum is σ = 601192340068320. Its totient is φ = 53280745426944.

The previous prime is 200100121020109. The next prime is 200100121020157. The reversal of 200100121020120 is 21020121001002.

200100121020120 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 200100121020096 and 200100121020105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1238775859 + ... + 1238937378.

Almost surely, 2^{200100121020120} is an apocalyptic number.

200100121020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200100121020120 is an abundant number, since it is smaller than the sum of its proper divisors (401092219048200).

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

200100121020120 is a wasteful number, since it uses less digits than its factorization.

200100121020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477713924 (or 2477713920 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 200100121020120 its reverse (21020121001002), we get a palindrome (221120242021122).

The spelling of 200100121020120 in words is "two hundred trillion, one hundred billion, one hundred twenty-one million, twenty thousand, one hundred twenty".