10211102002109 has 2 divisors, whose sum is σ = 10211102002110. Its totient is φ = 10211102002108.

The previous prime is 10211102002093. The next prime is 10211102002147. The reversal of 10211102002109 is 90120020111201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7812041770009 + 2399060232100 = 2795003^2 + 1548890^2 .

It is a cyclic number.

It is not a de Polignac number, because 10211102002109 - 2⁴ = 10211102002093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10211102002169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105551001054 + 5105551001055.

It is an arithmetic number, because the mean of its divisors is an integer number (5105551001055).

Almost surely, 2^{10211102002109} is an apocalyptic number.

It is an amenable number.

10211102002109 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211102002109 is an equidigital number, since it uses as much as digits as its factorization.

10211102002109 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 20.

The spelling of 10211102002109 in words is "ten trillion, two hundred eleven billion, one hundred two million, two thousand, one hundred nine".