201010888889 has 2 divisors, whose sum is σ = 201010888890. Its totient is φ = 201010888888.

The previous prime is 201010888879. The next prime is 201010888909. The reversal of 201010888889 is 988888010102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201002478889 + 8410000 = 448333^2 + 2900^2 .

It is a cyclic number.

It is not a de Polignac number, because 201010888889 - 2⁸ = 201010888633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201010888889.

It is not a weakly prime, because it can be changed into another prime (201010888879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100505444444 + 100505444445.

It is an arithmetic number, because the mean of its divisors is an integer number (100505444445).

Almost surely, 2^201010888889 is an apocalyptic number.

It is an amenable number.

201010888889 is a deficient number, since it is larger than the sum of its proper divisors (1).

201010888889 is an equidigital number, since it uses as much as digits as its factorization.

201010888889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 589824, while the sum is 53.

The spelling of 201010888889 in words is "two hundred one billion, ten million, eight hundred eighty-eight thousand, eight hundred eighty-nine".