242042211451 has 2 divisors, whose sum is σ = 242042211452. Its totient is φ = 242042211450.

The previous prime is 242042211443. The next prime is 242042211457. The reversal of 242042211451 is 154112240242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242042211451 - 2³ = 242042211443 is a prime.

It is not a weakly prime, because it can be changed into another prime (242042211457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121021105725 + 121021105726.

It is an arithmetic number, because the mean of its divisors is an integer number (121021105726).

Almost surely, 2^242042211451 is an apocalyptic number.

242042211451 is a deficient number, since it is larger than the sum of its proper divisors (1).

242042211451 is an equidigital number, since it uses as much as digits as its factorization.

242042211451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 242042211451 its reverse (154112240242), we get a palindrome (396154451693).

The spelling of 242042211451 in words is "two hundred forty-two billion, forty-two million, two hundred eleven thousand, four hundred fifty-one".