210020112110069 has 2 divisors, whose sum is σ = 210020112110070. Its totient is φ = 210020112110068.

The previous prime is 210020112110009. The next prime is 210020112110077. The reversal of 210020112110069 is 960011211020012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126963992908900 + 83056119201169 = 11267830^2 + 9113513^2 .

It is a cyclic number.

It is not a de Polignac number, because 210020112110069 - 2²⁰ = 210020111061493 is a prime.

It is a super-2 number, since 2×210020112110069² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210020112110009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105010056055034 + 105010056055035.

It is an arithmetic number, because the mean of its divisors is an integer number (105010056055035).

Almost surely, 2^{210020112110069} is an apocalyptic number.

It is an amenable number.

210020112110069 is a deficient number, since it is larger than the sum of its proper divisors (1).

210020112110069 is an equidigital number, since it uses as much as digits as its factorization.

210020112110069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 210020112110069 in words is "two hundred ten trillion, twenty billion, one hundred twelve million, one hundred ten thousand, sixty-nine".