10202110200109 has 2 divisors, whose sum is σ = 10202110200110. Its totient is φ = 10202110200108.

The previous prime is 10202110200097. The next prime is 10202110200167. The reversal of 10202110200109 is 90100201120201.

It is a happy number.

10202110200109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5216669704009 + 4985440496100 = 2284003^2 + 2232810^2 .

It is a cyclic number.

It is not a de Polignac number, because 10202110200109 - 2²¹ = 10202108102957 is a prime.

It is a super-2 number, since 2×10202110200109² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10202110200509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101055100054 + 5101055100055.

It is an arithmetic number, because the mean of its divisors is an integer number (5101055100055).

Almost surely, 2^{10202110200109} is an apocalyptic number.

It is an amenable number.

10202110200109 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202110200109 is an equidigital number, since it uses as much as digits as its factorization.

10202110200109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 10202110200109 in words is "ten trillion, two hundred two billion, one hundred ten million, two hundred thousand, one hundred nine".