10221330341987 has 2 divisors, whose sum is σ = 10221330341988. Its totient is φ = 10221330341986.

The previous prime is 10221330341977. The next prime is 10221330342023. The reversal of 10221330341987 is 78914303312201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10221330341987 - 2¹² = 10221330337891 is a prime.

It is not a weakly prime, because it can be changed into another prime (10221330341917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110665170993 + 5110665170994.

It is an arithmetic number, because the mean of its divisors is an integer number (5110665170994).

Almost surely, 2^{10221330341987} is an apocalyptic number.

10221330341987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221330341987 is an equidigital number, since it uses as much as digits as its factorization.

10221330341987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 10221330341987 in words is "ten trillion, two hundred twenty-one billion, three hundred thirty million, three hundred forty-one thousand, nine hundred eighty-seven".