240216101 has 4 divisors (see below), whose sum is σ = 241151052. Its totient is φ = 239281152.

The previous prime is 240216091. The next prime is 240216121. The reversal of 240216101 is 101612042.

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 204204100 + 36012001 = 14290^2 + 6001^2 .

It is a cyclic number.

It is not a de Polignac number, because 240216101 - 2¹⁰ = 240215077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240216101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240216121) 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, 467090 + ... + 467603.

It is an arithmetic number, because the mean of its divisors is an integer number (60287763).

Almost surely, 2^240216101 is an apocalyptic number.

It is an amenable number.

240216101 is a deficient number, since it is larger than the sum of its proper divisors (934951).

240216101 is an equidigital number, since it uses as much as digits as its factorization.

240216101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934950.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 240216101 is about 15498.9064452948. The cubic root of 240216101 is about 621.6329663617.

Adding to 240216101 its reverse (101612042), we get a palindrome (341828143).

The spelling of 240216101 in words is "two hundred forty million, two hundred sixteen thousand, one hundred one".