242421011 has 4 divisors (see below), whose sum is σ = 277052592. Its totient is φ = 207789432.

The previous prime is 242421007. The next prime is 242421013. The reversal of 242421011 is 110124242.

242421011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242421011 - 2² = 242421007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242421013) 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, 17315780 + ... + 17315793.

It is an arithmetic number, because the mean of its divisors is an integer number (69263148).

Almost surely, 2^242421011 is an apocalyptic number.

242421011 is a deficient number, since it is larger than the sum of its proper divisors (34631581).

242421011 is an equidigital number, since it uses as much as digits as its factorization.

242421011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34631580.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 242421011 is about 15569.8751118948. The cubic root of 242421011 is about 623.5291372693.

Adding to 242421011 its reverse (110124242), we get a palindrome (352545253).

The spelling of 242421011 in words is "two hundred forty-two million, four hundred twenty-one thousand, eleven".