242213101 has 4 divisors (see below), whose sum is σ = 260844892. Its totient is φ = 223581312.

The previous prime is 242213077. The next prime is 242213129. The reversal of 242213101 is 101312242.

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 52490025 + 189723076 = 7245^2 + 13774^2 .

It is a cyclic number.

It is not a de Polignac number, because 242213101 - 2¹³ = 242204909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242213141) 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, 9315876 + ... + 9315901.

It is an arithmetic number, because the mean of its divisors is an integer number (65211223).

Almost surely, 2^242213101 is an apocalyptic number.

It is an amenable number.

242213101 is a deficient number, since it is larger than the sum of its proper divisors (18631791).

242213101 is a wasteful number, since it uses less digits than its factorization.

242213101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18631790.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 242213101 is about 15563.1970044718. The cubic root of 242213101 is about 623.3508317380.

Adding to 242213101 its reverse (101312242), we get a palindrome (343525343).

The spelling of 242213101 in words is "two hundred forty-two million, two hundred thirteen thousand, one hundred one".