10020201099977 has 2 divisors, whose sum is σ = 10020201099978. Its totient is φ = 10020201099976.

The previous prime is 10020201099943. The next prime is 10020201100067. The reversal of 10020201099977 is 77999010202001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9078765583801 + 941435516176 = 3013099^2 + 970276^2 .

It is a cyclic number.

It is not a de Polignac number, because 10020201099977 - 2⁸ = 10020201099721 is a prime.

It is not a weakly prime, because it can be changed into another prime (10020201099917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010100549988 + 5010100549989.

It is an arithmetic number, because the mean of its divisors is an integer number (5010100549989).

Almost surely, 2^{10020201099977} is an apocalyptic number.

It is an amenable number.

10020201099977 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020201099977 is an equidigital number, since it uses as much as digits as its factorization.

10020201099977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 142884, while the sum is 47.

The spelling of 10020201099977 in words is "ten trillion, twenty billion, two hundred one million, ninety-nine thousand, nine hundred seventy-seven".