20182910101 has 2 divisors, whose sum is σ = 20182910102. Its totient is φ = 20182910100.

The previous prime is 20182910063. The next prime is 20182910107. The reversal of 20182910101 is 10101928102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13148062225 + 7034847876 = 114665^2 + 83874^2 .

It is a cyclic number.

It is not a de Polignac number, because 20182910101 - 2⁹ = 20182909589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20182910107) 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, 10091455050 + 10091455051.

It is an arithmetic number, because the mean of its divisors is an integer number (10091455051).

Almost surely, 2^20182910101 is an apocalyptic number.

It is an amenable number.

20182910101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20182910101 is an equidigital number, since it uses as much as digits as its factorization.

20182910101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 20182910101 in words is "twenty billion, one hundred eighty-two million, nine hundred ten thousand, one hundred one".