201100312200 has 192 divisors, whose sum is σ = 630500270400. Its totient is φ = 53018496000.

The previous prime is 201100312177. The next prime is 201100312223. The reversal of 201100312200 is 2213001102.

It is an interprime number because it is at equal distance from previous prime (201100312177) and next prime (201100312223).

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50235399 + ... + 50239401.

It is an arithmetic number, because the mean of its divisors is an integer number (3283855575).

Almost surely, 2^201100312200 is an apocalyptic number.

201100312200 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 201100312200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315250135200).

201100312200 is an abundant number, since it is smaller than the sum of its proper divisors (429399958200).

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

201100312200 is a wasteful number, since it uses less digits than its factorization.

201100312200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4952 (or 4943 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 201100312200 its reverse (2213001102), we get a palindrome (203313313302).

The spelling of 201100312200 in words is "two hundred one billion, one hundred million, three hundred twelve thousand, two hundred".