242040222011 has 4 divisors (see below), whose sum is σ = 276617396592. Its totient is φ = 207463047432.

The previous prime is 242040222001. The next prime is 242040222031. The reversal of 242040222011 is 110222040242.

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 242040222011 - 2⁶ = 242040221947 is a prime.

It is a super-2 number, since 2×242040222011² (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 (242040222001) 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, 17288587280 + ... + 17288587293.

It is an arithmetic number, because the mean of its divisors is an integer number (69154349148).

Almost surely, 2^242040222011 is an apocalyptic number.

242040222011 is a deficient number, since it is larger than the sum of its proper divisors (34577174581).

242040222011 is an equidigital number, since it uses as much as digits as its factorization.

242040222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34577174580.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 242040222011 its reverse (110222040242), we get a palindrome (352262262253).

The spelling of 242040222011 in words is "two hundred forty-two billion, forty million, two hundred twenty-two thousand, eleven".