10020103109 has 2 divisors, whose sum is σ = 10020103110. Its totient is φ = 10020103108.

The previous prime is 10020103081. The next prime is 10020103139. The reversal of 10020103109 is 90130102001.

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., 9711117025 + 308986084 = 98545^2 + 17578^2 .

It is a cyclic number.

It is not a de Polignac number, because 10020103109 - 2⁸ = 10020102853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10020103139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010051554 + 5010051555.

It is an arithmetic number, because the mean of its divisors is an integer number (5010051555).

Almost surely, 2^10020103109 is an apocalyptic number.

It is an amenable number.

10020103109 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020103109 is an equidigital number, since it uses as much as digits as its factorization.

10020103109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

The spelling of 10020103109 in words is "ten billion, twenty million, one hundred three thousand, one hundred nine".