20201000211105 has 32 divisors (see below), whose sum is σ = 39111852513024. Its totient is φ = 8691522779136.

The previous prime is 20201000211047. The next prime is 20201000211121. The reversal of 20201000211105 is 50111200010202.

It is not a de Polignac number, because 20201000211105 - 2¹⁰ = 20201000210081 is a prime.

It is a super-3 number, since 3×20201000211105³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5658541692 + ... + 5658545261.

It is an arithmetic number, because the mean of its divisors is an integer number (1222245391032).

Almost surely, 2^{20201000211105} is an apocalyptic number.

It is an amenable number.

20201000211105 is a deficient number, since it is larger than the sum of its proper divisors (18910852301919).

20201000211105 is a wasteful number, since it uses less digits than its factorization.

20201000211105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11317086985.

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 20201000211105 its reverse (50111200010202), we get a palindrome (70312200221307).

The spelling of 20201000211105 in words is "twenty trillion, two hundred one billion, two hundred eleven thousand, one hundred five".