2021201012105 has 16 divisors (see below), whose sum is σ = 2649412844928. Its totient is φ = 1468032720000.

The previous prime is 2021201012099. The next prime is 2021201012147. The reversal of 2021201012105 is 5012101021202.

It is not a de Polignac number, because 2021201012105 - 2⁶ = 2021201012041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24103421 + ... + 24187130.

It is an arithmetic number, because the mean of its divisors is an integer number (165588302808).

Almost surely, 2^{2021201012105} is an apocalyptic number.

It is an amenable number.

2021201012105 is a deficient number, since it is larger than the sum of its proper divisors (628211832823).

2021201012105 is a wasteful number, since it uses less digits than its factorization.

2021201012105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48291328.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 2021201012105 its reverse (5012101021202), we get a palindrome (7033302033307).

The spelling of 2021201012105 in words is "two trillion, twenty-one billion, two hundred one million, twelve thousand, one hundred five".