102022201 has 4 divisors (see below), whose sum is σ = 102182004. Its totient is φ = 101862400.

The previous prime is 102022183. The next prime is 102022223. The reversal of 102022201 is 102220201.

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 93141801 + 8880400 = 9651^2 + 2980^2 .

It is a cyclic number.

It is not a de Polignac number, because 102022201 - 2¹¹ = 102020153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102022231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78940 + ... + 80221.

It is an arithmetic number, because the mean of its divisors is an integer number (25545501).

Almost surely, 2^102022201 is an apocalyptic number.

It is an amenable number.

102022201 is a deficient number, since it is larger than the sum of its proper divisors (159803).

102022201 is an equidigital number, since it uses as much as digits as its factorization.

102022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159802.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 102022201 is about 10100.6039918413. The cubic root of 102022201 is about 467.2667691901.

Adding to 102022201 its reverse (102220201), we get a palindrome (204242402).

It can be divided in two parts, 10202 and 2201, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 102022201 in words is "one hundred two million, twenty-two thousand, two hundred one".