102201123 has 8 divisors (see below), whose sum is σ = 136880128. Its totient is φ = 67828104.

The previous prime is 102201109. The next prime is 102201149. The reversal of 102201123 is 321102201.

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

It is not a de Polignac number, because 102201123 - 2¹³ = 102192931 is a prime.

It is a super-2 number, since 2×102201123² = 20890139084922258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102201099 and 102201108.

It is not an unprimeable number, because it can be changed into a prime (102201173) 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, 75715 + ... + 77052.

It is an arithmetic number, because the mean of its divisors is an integer number (17110016).

Almost surely, 2^102201123 is an apocalyptic number.

102201123 is a deficient number, since it is larger than the sum of its proper divisors (34679005).

102201123 is a wasteful number, since it uses less digits than its factorization.

102201123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152993.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 102201123 is about 10109.4571070854. The cubic root of 102201123 is about 467.5397668899.

Adding to 102201123 its reverse (321102201), we get a palindrome (423303324).

The spelling of 102201123 in words is "one hundred two million, two hundred one thousand, one hundred twenty-three".