20001010111051 has 2 divisors, whose sum is σ = 20001010111052. Its totient is φ = 20001010111050.

The previous prime is 20001010111009. The next prime is 20001010111063. The reversal of 20001010111051 is 15011101010002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20001010111051 - 2⁹ = 20001010110539 is a prime.

It is not a weakly prime, because it can be changed into another prime (20001010112051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000505055525 + 10000505055526.

It is an arithmetic number, because the mean of its divisors is an integer number (10000505055526).

Almost surely, 2^{20001010111051} is an apocalyptic number.

20001010111051 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001010111051 is an equidigital number, since it uses as much as digits as its factorization.

20001010111051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10, while the sum is 13.

Adding to 20001010111051 its reverse (15011101010002), we get a palindrome (35012111121053).

The spelling of 20001010111051 in words is "twenty trillion, one billion, ten million, one hundred eleven thousand, fifty-one".