20202111001069 has 2 divisors, whose sum is σ = 20202111001070. Its totient is φ = 20202111001068.

The previous prime is 20202111001063. The next prime is 20202111001123. The reversal of 20202111001069 is 96010011120202.

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., 11021483699044 + 9180627302025 = 3319862^2 + 3029955^2 .

It is a cyclic number.

It is not a de Polignac number, because 20202111001069 - 2²¹ = 20202108903917 is a prime.

It is a super-2 number, since 2×20202111001069² (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 (20202111001063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101055500534 + 10101055500535.

It is an arithmetic number, because the mean of its divisors is an integer number (10101055500535).

Almost surely, 2^{20202111001069} is an apocalyptic number.

It is an amenable number.

20202111001069 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202111001069 is an equidigital number, since it uses as much as digits as its factorization.

20202111001069 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 25.

The spelling of 20202111001069 in words is "twenty trillion, two hundred two billion, one hundred eleven million, one thousand, sixty-nine".