142211130321391 has 2 divisors, whose sum is σ = 142211130321392. Its totient is φ = 142211130321390.

The previous prime is 142211130321361. The next prime is 142211130321427. The reversal of 142211130321391 is 193123031112241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142211130321391 - 2¹⁹ = 142211129797103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142211130321361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71105565160695 + 71105565160696.

It is an arithmetic number, because the mean of its divisors is an integer number (71105565160696).

Almost surely, 2^{142211130321391} is an apocalyptic number.

142211130321391 is a deficient number, since it is larger than the sum of its proper divisors (1).

142211130321391 is an equidigital number, since it uses as much as digits as its factorization.

142211130321391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 142211130321391 in words is "one hundred forty-two trillion, two hundred eleven billion, one hundred thirty million, three hundred twenty-one thousand, three hundred ninety-one".