242210100531551 has 2 divisors, whose sum is σ = 242210100531552. Its totient is φ = 242210100531550.

The previous prime is 242210100531517. The next prime is 242210100531673. The reversal of 242210100531551 is 155135001012242.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242210100531551 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242210100591551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121105050265775 + 121105050265776.

It is an arithmetic number, because the mean of its divisors is an integer number (121105050265776).

Almost surely, 2^{242210100531551} is an apocalyptic number.

242210100531551 is a deficient number, since it is larger than the sum of its proper divisors (1).

242210100531551 is an equidigital number, since it uses as much as digits as its factorization.

242210100531551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 242210100531551 its reverse (155135001012242), we get a palindrome (397345101543793).

The spelling of 242210100531551 in words is "two hundred forty-two trillion, two hundred ten billion, one hundred million, five hundred thirty-one thousand, five hundred fifty-one".