102100201 has 8 divisors (see below), whose sum is σ = 118329984. Its totient is φ = 86281440.

The previous prime is 102100199. The next prime is 102100211. The reversal of 102100201 is 102001201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102100201 - 2¹ = 102100199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102100211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102220 + ... + 103213.

It is an arithmetic number, because the mean of its divisors is an integer number (14791248).

Almost surely, 2^102100201 is an apocalyptic number.

It is an amenable number.

102100201 is a deficient number, since it is larger than the sum of its proper divisors (16229783).

102100201 is an equidigital number, since it uses as much as digits as its factorization.

102100201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205511.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 102100201 is about 10104.4644093589. The cubic root of 102100201 is about 467.3858201524.

Adding to 102100201 its reverse (102001201), we get a palindrome (204101402).

The spelling of 102100201 in words is "one hundred two million, one hundred thousand, two hundred one".