2101102911 has 12 divisors (see below), whose sum is σ = 3036092488. Its totient is φ = 1400197104.

The previous prime is 2101102901. The next prime is 2101102921. The reversal of 2101102911 is 1192011012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2101102901) and next prime (2101102921).

It is not a de Polignac number, because 2101102911 - 2¹⁴ = 2101086527 is a prime.

It is a super-2 number, since 2×2101102911² = 8829266885225347842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101102901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19360 + ... + 67653.

Almost surely, 2^2101102911 is an apocalyptic number.

2101102911 is a deficient number, since it is larger than the sum of its proper divisors (934989577).

2101102911 is a wasteful number, since it uses less digits than its factorization.

2101102911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89702 (or 89699 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The square root of 2101102911 is about 45837.7891155322. The cubic root of 2101102911 is about 1280.8033106484.

Adding to 2101102911 its reverse (1192011012), we get a palindrome (3293113923).

The spelling of 2101102911 in words is "two billion, one hundred one million, one hundred two thousand, nine hundred eleven".