20001010201112 has 8 divisors (see below), whose sum is σ = 37501894127100. Its totient is φ = 10000505100552.

The previous prime is 20001010201069. The next prime is 20001010201213. The reversal of 20001010201112 is 21110201010002.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 20001010201093 and 20001010201102.

It is a congruent number.

It is an unprimeable number.

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, 1250063137562 + ... + 1250063137577.

Almost surely, 2^{20001010201112} is an apocalyptic number.

It is an amenable number.

20001010201112 is a deficient number, since it is larger than the sum of its proper divisors (17500883925988).

20001010201112 is a wasteful number, since it uses less digits than its factorization.

20001010201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500126275145 (or 2500126275141 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20001010201112 its reverse (21110201010002), we get a palindrome (41111211211114).

The spelling of 20001010201112 in words is "twenty trillion, one billion, ten million, two hundred one thousand, one hundred twelve".