10002021332377 has 2 divisors, whose sum is σ = 10002021332378. Its totient is φ = 10002021332376.

The previous prime is 10002021332327. The next prime is 10002021332419. The reversal of 10002021332377 is 77323312020001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9873854468361 + 128166864016 = 3142269^2 + 358004^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10002021332377 is a prime.

It is not a weakly prime, because it can be changed into another prime (10002021332327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001010666188 + 5001010666189.

It is an arithmetic number, because the mean of its divisors is an integer number (5001010666189).

Almost surely, 2^{10002021332377} is an apocalyptic number.

It is an amenable number.

10002021332377 is a deficient number, since it is larger than the sum of its proper divisors (1).

10002021332377 is an equidigital number, since it uses as much as digits as its factorization.

10002021332377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 31.

Adding to 10002021332377 its reverse (77323312020001), we get a palindrome (87325333352378).

The spelling of 10002021332377 in words is "ten trillion, two billion, twenty-one million, three hundred thirty-two thousand, three hundred seventy-seven".