1001122012105 has 16 divisors (see below), whose sum is σ = 1247707528704. Its totient is φ = 770307200640.

The previous prime is 1001122012067. The next prime is 1001122012141. The reversal of 1001122012105 is 5012102211001.

It is not a de Polignac number, because 1001122012105 - 2¹⁷ = 1001121881033 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, 19787164 + ... + 19837693.

It is an arithmetic number, because the mean of its divisors is an integer number (77981720544).

Almost surely, 2^{1001122012105} is an apocalyptic number.

It is an amenable number.

1001122012105 is a deficient number, since it is larger than the sum of its proper divisors (246585516599).

1001122012105 is a wasteful number, since it uses less digits than its factorization.

1001122012105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39625056.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 1001122012105 its reverse (5012102211001), we get a palindrome (6013224223106).

The spelling of 1001122012105 in words is "one trillion, one billion, one hundred twenty-two million, twelve thousand, one hundred five".