10201023109 has 2 divisors, whose sum is σ = 10201023110. Its totient is φ = 10201023108.

The previous prime is 10201023101. The next prime is 10201023127. The reversal of 10201023109 is 90132010201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8478358084 + 1722665025 = 92078^2 + 41505^2 .

It is a cyclic number.

It is not a de Polignac number, because 10201023109 - 2³ = 10201023101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10201023101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100511554 + 5100511555.

It is an arithmetic number, because the mean of its divisors is an integer number (5100511555).

Almost surely, 2^10201023109 is an apocalyptic number.

It is an amenable number.

10201023109 is a deficient number, since it is larger than the sum of its proper divisors (1).

10201023109 is an equidigital number, since it uses as much as digits as its factorization.

10201023109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The spelling of 10201023109 in words is "ten billion, two hundred one million, twenty-three thousand, one hundred nine".