201202100 has 72 divisors (see below), whose sum is σ = 481281696. Its totient is φ = 72400000.

The previous prime is 201202097. The next prime is 201202103. The reversal of 201202100 is 1202102.

It is an interprime number because it is at equal distance from previous prime (201202097) and next prime (201202103).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201202103) 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 23 ways as a sum of consecutive naturals, for example, 110195 + ... + 112005.

It is an arithmetic number, because the mean of its divisors is an integer number (6684468).

Almost surely, 2^201202100 is an apocalyptic number.

201202100 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 201202100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240640848).

201202100 is an abundant number, since it is smaller than the sum of its proper divisors (280079596).

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

201202100 is a wasteful number, since it uses less digits than its factorization.

201202100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937 (or 1930 counting only the distinct ones).

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

The square root of 201202100 is about 14184.5726054753. The cubic root of 201202100 is about 585.9728619488.

Adding to 201202100 its reverse (1202102), we get a palindrome (202404202).

The spelling of 201202100 in words is "two hundred one million, two hundred two thousand, one hundred".