101221121068343 has 2 divisors, whose sum is σ = 101221121068344. Its totient is φ = 101221121068342.

The previous prime is 101221121068339. The next prime is 101221121068357. The reversal of 101221121068343 is 343860121122101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101221121068343 - 2² = 101221121068339 is a prime.

It is a super-2 number, since 2×101221121068343² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101221121068643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610560534171 + 50610560534172.

It is an arithmetic number, because the mean of its divisors is an integer number (50610560534172).

Almost surely, 2^{101221121068343} is an apocalyptic number.

101221121068343 is a deficient number, since it is larger than the sum of its proper divisors (1).

101221121068343 is an equidigital number, since it uses as much as digits as its factorization.

101221121068343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 101221121068343 in words is "one hundred one trillion, two hundred twenty-one billion, one hundred twenty-one million, sixty-eight thousand, three hundred forty-three".