2104202111 has 4 divisors (see below), whose sum is σ = 2295493224. Its totient is φ = 1912911000.

The previous prime is 2104202083. The next prime is 2104202129. The reversal of 2104202111 is 1112024012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2104202111 - 2¹⁸ = 2103939967 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 (2104202161) 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, 95645540 + ... + 95645561.

It is an arithmetic number, because the mean of its divisors is an integer number (573873306).

Almost surely, 2^2104202111 is an apocalyptic number.

2104202111 is a deficient number, since it is larger than the sum of its proper divisors (191291113).

2104202111 is a wasteful number, since it uses less digits than its factorization.

2104202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191291112.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2104202111 is about 45871.5828264079. The cubic root of 2104202111 is about 1281.4327444404.

Adding to 2104202111 its reverse (1112024012), we get a palindrome (3216226123).

The spelling of 2104202111 in words is "two billion, one hundred four million, two hundred two thousand, one hundred eleven".