120303323099621 has 2 divisors, whose sum is σ = 120303323099622. Its totient is φ = 120303323099620.

The previous prime is 120303323099599. The next prime is 120303323099639. The reversal of 120303323099621 is 126990323303021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76867828804900 + 43435494294721 = 8767430^2 + 6590561^2 .

It is an emirp because it is prime and its reverse (126990323303021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120303323099621 - 2²² = 120303318905317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120303323099321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60151661549810 + 60151661549811.

It is an arithmetic number, because the mean of its divisors is an integer number (60151661549811).

Almost surely, 2^{120303323099621} is an apocalyptic number.

It is an amenable number.

120303323099621 is a deficient number, since it is larger than the sum of its proper divisors (1).

120303323099621 is an equidigital number, since it uses as much as digits as its factorization.

120303323099621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 314928, while the sum is 44.

The spelling of 120303323099621 in words is "one hundred twenty trillion, three hundred three billion, three hundred twenty-three million, ninety-nine thousand, six hundred twenty-one".