100812201 has 24 divisors (see below), whose sum is σ = 156663360. Its totient is φ = 56486976.

The previous prime is 100812139. The next prime is 100812209. The reversal of 100812201 is 102218001.

It is not a de Polignac number, because 100812201 - 2¹⁰ = 100811177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100812209) 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, 58135 + ... + 59843.

It is an arithmetic number, because the mean of its divisors is an integer number (6527640).

Almost surely, 2^100812201 is an apocalyptic number.

It is an amenable number.

100812201 is a deficient number, since it is larger than the sum of its proper divisors (55851159).

100812201 is an equidigital number, since it uses as much as digits as its factorization.

100812201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825 (or 1772 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 100812201 is about 10040.5279243673. The cubic root of 100812201 is about 465.4121308616.

The spelling of 100812201 in words is "one hundred million, eight hundred twelve thousand, two hundred one".