10221381559 has 2 divisors, whose sum is σ = 10221381560. Its totient is φ = 10221381558.

The previous prime is 10221381553. The next prime is 10221381589. The reversal of 10221381559 is 95518312201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10221381559 - 2³ = 10221381551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10221381551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110690779 + 5110690780.

It is an arithmetic number, because the mean of its divisors is an integer number (5110690780).

Almost surely, 2^10221381559 is an apocalyptic number.

10221381559 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221381559 is an equidigital number, since it uses as much as digits as its factorization.

10221381559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 37.

The spelling of 10221381559 in words is "ten billion, two hundred twenty-one million, three hundred eighty-one thousand, five hundred fifty-nine".