102021301231019 has 2 divisors, whose sum is σ = 102021301231020. Its totient is φ = 102021301231018.

The previous prime is 102021301230997. The next prime is 102021301231039. The reversal of 102021301231019 is 910132103120201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102021301231019 - 2²⁰ = 102021300182443 is a prime.

It is a super-2 number, since 2×102021301231019² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102021301231039) 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, 51010650615509 + 51010650615510.

It is an arithmetic number, because the mean of its divisors is an integer number (51010650615510).

Almost surely, 2^{102021301231019} is an apocalyptic number.

102021301231019 is a deficient number, since it is larger than the sum of its proper divisors (1).

102021301231019 is an equidigital number, since it uses as much as digits as its factorization.

102021301231019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 102021301231019 in words is "one hundred two trillion, twenty-one billion, three hundred one million, two hundred thirty-one thousand, nineteen".