20002111001071 has 2 divisors, whose sum is σ = 20002111001072. Its totient is φ = 20002111001070.

The previous prime is 20002111001029. The next prime is 20002111001113. The reversal of 20002111001071 is 17010011120002.

It is a balanced prime because it is at equal distance from previous prime (20002111001029) and next prime (20002111001113).

It is a cyclic number.

It is not a de Polignac number, because 20002111001071 - 2¹¹ = 20002110999023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20002111001671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001055500535 + 10001055500536.

It is an arithmetic number, because the mean of its divisors is an integer number (10001055500536).

Almost surely, 2^{20002111001071} is an apocalyptic number.

20002111001071 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002111001071 is an equidigital number, since it uses as much as digits as its factorization.

20002111001071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 16.

Adding to 20002111001071 its reverse (17010011120002), we get a palindrome (37012122121073).

The spelling of 20002111001071 in words is "twenty trillion, two billion, one hundred eleven million, one thousand, seventy-one".