2102160911 has 4 divisors (see below), whose sum is σ = 2102268000. Its totient is φ = 2102053824.

The previous prime is 2102160901. The next prime is 2102160913. The reversal of 2102160911 is 1190612012.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2102160911 - 2⁶ = 2102160847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102160913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14711 + ... + 66488.

It is an arithmetic number, because the mean of its divisors is an integer number (525567000).

Almost surely, 2^2102160911 is an apocalyptic number.

2102160911 is a deficient number, since it is larger than the sum of its proper divisors (107089).

2102160911 is an equidigital number, since it uses as much as digits as its factorization.

2102160911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107088.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 2102160911 is about 45849.3283593119. The cubic root of 2102160911 is about 1281.0182553027.

Adding to 2102160911 its reverse (1190612012), we get a palindrome (3292772923).

The spelling of 2102160911 in words is "two billion, one hundred two million, one hundred sixty thousand, nine hundred eleven".