10109920901 has 2 divisors, whose sum is σ = 10109920902. Its totient is φ = 10109920900.

The previous prime is 10109920889. The next prime is 10109920907. The reversal of 10109920901 is 10902990101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6181890625 + 3928030276 = 78625^2 + 62674^2 .

It is a cyclic number.

It is not a de Polignac number, because 10109920901 - 2¹⁰ = 10109919877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10109920907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5054960450 + 5054960451.

It is an arithmetic number, because the mean of its divisors is an integer number (5054960451).

Almost surely, 2^10109920901 is an apocalyptic number.

It is an amenable number.

10109920901 is a deficient number, since it is larger than the sum of its proper divisors (1).

10109920901 is an equidigital number, since it uses as much as digits as its factorization.

10109920901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 32.

The spelling of 10109920901 in words is "ten billion, one hundred nine million, nine hundred twenty thousand, nine hundred one".