200210121100 has 54 divisors (see below), whose sum is σ = 477542533412. Its totient is φ = 72803676000.

The previous prime is 200210121053. The next prime is 200210121103. The reversal of 200210121100 is 1121012002.

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 (200210121103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8261046 + ... + 8285245.

Almost surely, 2^200210121100 is an apocalyptic number.

200210121100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200210121100 is an abundant number, since it is smaller than the sum of its proper divisors (277332412312).

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

200210121100 is a wasteful number, since it uses less digits than its factorization.

200210121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16546327 (or 16546309 counting only the distinct ones).

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

Adding to 200210121100 its reverse (1121012002), we get a palindrome (201331133102).

The spelling of 200210121100 in words is "two hundred billion, two hundred ten million, one hundred twenty-one thousand, one hundred".