2101011105 has 16 divisors (see below), whose sum is σ = 3416727744. Its totient is φ = 1102169280.

The previous prime is 2101011103. The next prime is 2101011139. The reversal of 2101011105 is 5011101012.

It is not a de Polignac number, because 2101011105 - 2¹ = 2101011103 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2101011103) 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 15 ways as a sum of consecutive naturals, for example, 1147179 + ... + 1149008.

It is an arithmetic number, because the mean of its divisors is an integer number (213545484).

Almost surely, 2^2101011105 is an apocalyptic number.

It is an amenable number.

2101011105 is a deficient number, since it is larger than the sum of its proper divisors (1315716639).

2101011105 is a wasteful number, since it uses less digits than its factorization.

2101011105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296256.

The product of its (nonzero) digits is 10, while the sum is 12.

The square root of 2101011105 is about 45836.7876819482. The cubic root of 2101011105 is about 1280.7846558202.

Adding to 2101011105 its reverse (5011101012), we get a palindrome (7112112117).

The spelling of 2101011105 in words is "two billion, one hundred one million, eleven thousand, one hundred five".