200100121210 has 48 divisors (see below), whose sum is σ = 413113696128. Its totient is φ = 69600032480.

The previous prime is 200100121183. The next prime is 200100121211. The reversal of 200100121210 is 12121001002.

200100121210 = T₂₈₂₉₁₁ + T₂₈₂₉₁₂ + ... + T₂₈₂₉₁₅.

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 (200100121211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3567214 + ... + 3622873.

It is an arithmetic number, because the mean of its divisors is an integer number (8606535336).

Almost surely, 2^200100121210 is an apocalyptic number.

200100121210 is an abundant number, since it is smaller than the sum of its proper divisors (213013574918).

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

200100121210 is a wasteful number, since it uses less digits than its factorization.

200100121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7190139 (or 7190128 counting only the distinct ones).

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

Adding to 200100121210 its reverse (12121001002), we get a palindrome (212221122212).

The spelling of 200100121210 in words is "two hundred billion, one hundred million, one hundred twenty-one thousand, two hundred ten".