20201687035111 has 2 divisors, whose sum is σ = 20201687035112. Its totient is φ = 20201687035110.

The previous prime is 20201687035073. The next prime is 20201687035141. The reversal of 20201687035111 is 11153078610202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20201687035111 - 2⁷ = 20201687034983 is a prime.

It is a super-3 number, since 3×20201687035111³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20201687035141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100843517555 + 10100843517556.

It is an arithmetic number, because the mean of its divisors is an integer number (10100843517556).

Almost surely, 2^{20201687035111} is an apocalyptic number.

20201687035111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201687035111 is an equidigital number, since it uses as much as digits as its factorization.

20201687035111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 37.

The spelling of 20201687035111 in words is "twenty trillion, two hundred one billion, six hundred eighty-seven million, thirty-five thousand, one hundred eleven".