20110111001006 has 8 divisors (see below), whose sum is σ = 32485563924744. Its totient is φ = 9281589692760.

The previous prime is 20110111000981. The next prime is 20110111001009. The reversal of 20110111001006 is 60010011101102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110111001009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386732903840 + ... + 386732903891.

It is an arithmetic number, because the mean of its divisors is an integer number (4060695490593).

Almost surely, 2^{20110111001006} is an apocalyptic number.

20110111001006 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20110111001006 is a deficient number, since it is larger than the sum of its proper divisors (12375452923738).

20110111001006 is a wasteful number, since it uses less digits than its factorization.

20110111001006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773465807746.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 20110111001006 its reverse (60010011101102), we get a palindrome (80120122102108).

The spelling of 20110111001006 in words is "twenty trillion, one hundred ten billion, one hundred eleven million, one thousand, six".