101221030343 has 2 divisors, whose sum is σ = 101221030344. Its totient is φ = 101221030342.

The previous prime is 101221030291. The next prime is 101221030373. The reversal of 101221030343 is 343030122101.

It is a strong prime.

It is an emirp because it is prime and its reverse (343030122101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101221030343 - 2¹⁸ = 101220768199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101221030373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610515171 + 50610515172.

It is an arithmetic number, because the mean of its divisors is an integer number (50610515172).

Almost surely, 2^101221030343 is an apocalyptic number.

101221030343 is a deficient number, since it is larger than the sum of its proper divisors (1).

101221030343 is an equidigital number, since it uses as much as digits as its factorization.

101221030343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 101221030343 its reverse (343030122101), we get a palindrome (444251152444).

The spelling of 101221030343 in words is "one hundred one billion, two hundred twenty-one million, thirty thousand, three hundred forty-three".