121442113304131 has 2 divisors, whose sum is σ = 121442113304132. Its totient is φ = 121442113304130.

The previous prime is 121442113304089. The next prime is 121442113304263. The reversal of 121442113304131 is 131403311244121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121442113304131 - 2²⁵ = 121442079749699 is a prime.

It is a super-2 number, since 2×121442113304131² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121442113304093 and 121442113304102.

It is not a weakly prime, because it can be changed into another prime (121442113302131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60721056652065 + 60721056652066.

It is an arithmetic number, because the mean of its divisors is an integer number (60721056652066).

Almost surely, 2^{121442113304131} is an apocalyptic number.

121442113304131 is a deficient number, since it is larger than the sum of its proper divisors (1).

121442113304131 is an equidigital number, since it uses as much as digits as its factorization.

121442113304131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 121442113304131 its reverse (131403311244121), we get a palindrome (252845424548252).

The spelling of 121442113304131 in words is "one hundred twenty-one trillion, four hundred forty-two billion, one hundred thirteen million, three hundred four thousand, one hundred thirty-one".