102101441 has 4 divisors (see below), whose sum is σ = 109955412. Its totient is φ = 94247472.

The previous prime is 102101429. The next prime is 102101443. The reversal of 102101441 is 144101201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 144101201 = 47 ⋅3065983.

It can be written as a sum of positive squares in 2 ways, for example, as 12250000 + 89851441 = 3500^2 + 9479^2 .

It is a cyclic number.

It is not a de Polignac number, because 102101441 - 2¹⁴ = 102085057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102101443) 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, 3926966 + ... + 3926991.

It is an arithmetic number, because the mean of its divisors is an integer number (27488853).

Almost surely, 2^102101441 is an apocalyptic number.

It is an amenable number.

102101441 is a deficient number, since it is larger than the sum of its proper divisors (7853971).

102101441 is an equidigital number, since it uses as much as digits as its factorization.

102101441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7853970.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 102101441 is about 10104.5257681892. The cubic root of 102101441 is about 467.3877122677.

Adding to 102101441 its reverse (144101201), we get a palindrome (246202642).

The spelling of 102101441 in words is "one hundred two million, one hundred one thousand, four hundred forty-one".