242130413221091 has 2 divisors, whose sum is σ = 242130413221092. Its totient is φ = 242130413221090.

The previous prime is 242130413221001. The next prime is 242130413221097. The reversal of 242130413221091 is 190122314031242.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242130413221091 is a prime.

It is not a weakly prime, because it can be changed into another prime (242130413221097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121065206610545 + 121065206610546.

It is an arithmetic number, because the mean of its divisors is an integer number (121065206610546).

Almost surely, 2^{242130413221091} is an apocalyptic number.

242130413221091 is a deficient number, since it is larger than the sum of its proper divisors (1).

242130413221091 is an equidigital number, since it uses as much as digits as its factorization.

242130413221091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 242130413221091 in words is "two hundred forty-two trillion, one hundred thirty billion, four hundred thirteen million, two hundred twenty-one thousand, ninety-one".