102010201 has 4 divisors (see below), whose sum is σ = 102051252. Its totient is φ = 101969152.

The previous prime is 102010199. The next prime is 102010231.

102010201 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49070025 + 52940176 = 7005^2 + 7276^2 .

It is a cyclic number.

It is not a de Polignac number, because 102010201 - 2¹ = 102010199 is a prime.

It is a super-2 number, since 2×102010201² = 20812162216120802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102010231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16540 + ... + 21853.

It is an arithmetic number, because the mean of its divisors is an integer number (25512813).

Almost surely, 2^102010201 is an apocalyptic number.

It is an amenable number.

102010201 is a deficient number, since it is larger than the sum of its proper divisors (41051).

102010201 is an equidigital number, since it uses as much as digits as its factorization.

102010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41050.

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

The square root of 102010201 is about 10100.0099504901. The cubic root of 102010201 is about 467.2484482723.

The spelling of 102010201 in words is "one hundred two million, ten thousand, two hundred one".