10021255233389 has 2 divisors, whose sum is σ = 10021255233390. Its totient is φ = 10021255233388.

The previous prime is 10021255233377. The next prime is 10021255233461. The reversal of 10021255233389 is 98333255212001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9586918875625 + 434336357764 = 3096275^2 + 659042^2 .

It is a cyclic number.

It is not a de Polignac number, because 10021255233389 - 2²⁰ = 10021254184813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021255233359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010627616694 + 5010627616695.

It is an arithmetic number, because the mean of its divisors is an integer number (5010627616695).

Almost surely, 2^{10021255233389} is an apocalyptic number.

It is an amenable number.

10021255233389 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021255233389 is an equidigital number, since it uses as much as digits as its factorization.

10021255233389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 10021255233389 in words is "ten trillion, twenty-one billion, two hundred fifty-five million, two hundred thirty-three thousand, three hundred eighty-nine".