200212111100 has 72 divisors (see below), whose sum is σ = 452675974800. Its totient is φ = 76766860800.

The previous prime is 200212111093. The next prime is 200212111109. The reversal of 200212111100 is 1111212002.

200212111100 = 29261² + 29262² + ... + 29492².

It is a super-2 number, since 2×200212111100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200212111109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154760 + ... + 651440.

Almost surely, 2^200212111100 is an apocalyptic number.

200212111100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200212111100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226337987400).

200212111100 is an abundant number, since it is smaller than the sum of its proper divisors (252463863700).

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

200212111100 is a wasteful number, since it uses less digits than its factorization.

200212111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496863 (or 496856 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 200212111100 its reverse (1111212002), we get a palindrome (201323323102).

The spelling of 200212111100 in words is "two hundred billion, two hundred twelve million, one hundred eleven thousand, one hundred".