10211000111309 has 2 divisors, whose sum is σ = 10211000111310. Its totient is φ = 10211000111308.

The previous prime is 10211000111131. The next prime is 10211000111357. The reversal of 10211000111309 is 90311100011201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9053762048809 + 1157238062500 = 3008947^2 + 1075750^2 .

It is a cyclic number.

It is not a de Polignac number, because 10211000111309 - 2³⁶ = 10142280634573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10211000111359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105500055654 + 5105500055655.

It is an arithmetic number, because the mean of its divisors is an integer number (5105500055655).

Almost surely, 2^{10211000111309} is an apocalyptic number.

It is an amenable number.

10211000111309 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211000111309 is an equidigital number, since it uses as much as digits as its factorization.

10211000111309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 20.

The spelling of 10211000111309 in words is "ten trillion, two hundred eleven billion, one hundred eleven thousand, three hundred nine".