242200121441 has 4 divisors (see below), whose sum is σ = 242257234884. Its totient is φ = 242143008000.

The previous prime is 242200121417. The next prime is 242200121461. The reversal of 242200121441 is 144121002242.

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 230900431441 + 11299690000 = 480521^2 + 106300^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242200121441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242200121461) 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, 28550360 + ... + 28558841.

It is an arithmetic number, because the mean of its divisors is an integer number (60564308721).

Almost surely, 2^242200121441 is an apocalyptic number.

It is an amenable number.

242200121441 is a deficient number, since it is larger than the sum of its proper divisors (57113443).

242200121441 is an equidigital number, since it uses as much as digits as its factorization.

242200121441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57113442.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 242200121441 its reverse (144121002242), we get a palindrome (386321123683).

It can be divided in two parts, 2422001 and 21441, that added together give a palindrome (2443442).

The spelling of 242200121441 in words is "two hundred forty-two billion, two hundred million, one hundred twenty-one thousand, four hundred forty-one".