242201004121 has 4 divisors (see below), whose sum is σ = 245119088592. Its totient is φ = 239282919652.

The previous prime is 242201004109. The next prime is 242201004131. The reversal of 242201004121 is 121400102242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242201004121 - 2⁹ = 242201003609 is a prime.

It is a super-2 number, since 2×242201004121² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242201004131) 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, 1459042111 + ... + 1459042276.

It is an arithmetic number, because the mean of its divisors is an integer number (61279772148).

Almost surely, 2^242201004121 is an apocalyptic number.

It is an amenable number.

242201004121 is a deficient number, since it is larger than the sum of its proper divisors (2918084471).

242201004121 is an equidigital number, since it uses as much as digits as its factorization.

242201004121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918084470.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 242201004121 its reverse (121400102242), we get a palindrome (363601106363).

The spelling of 242201004121 in words is "two hundred forty-two billion, two hundred one million, four thousand, one hundred twenty-one".