20000111201069 has 2 divisors, whose sum is σ = 20000111201070. Its totient is φ = 20000111201068.

The previous prime is 20000111201017. The next prime is 20000111201131. The reversal of 20000111201069 is 96010211100002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19506028732969 + 494082468100 = 4416563^2 + 702910^2 .

It is a cyclic number.

It is not a de Polignac number, because 20000111201069 - 2³² = 19995816233773 is a prime.

It is a super-2 number, since 2×20000111201069² (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 (20000111206069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000055600534 + 10000055600535.

It is an arithmetic number, because the mean of its divisors is an integer number (10000055600535).

Almost surely, 2^{20000111201069} is an apocalyptic number.

It is an amenable number.

20000111201069 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000111201069 is an equidigital number, since it uses as much as digits as its factorization.

20000111201069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 20000111201069 in words is "twenty trillion, one hundred eleven million, two hundred one thousand, sixty-nine".