2004120111 has 64 divisors (see below), whose sum is σ = 3291217920. Its totient is φ = 1060076160.

The previous prime is 2004120109. The next prime is 2004120113. The reversal of 2004120111 is 1110214002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2004120109) and next prime (2004120113).

It is not a de Polignac number, because 2004120111 - 2¹ = 2004120109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004120113) 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 63 ways as a sum of consecutive naturals, for example, 2021826 + ... + 2022816.

It is an arithmetic number, because the mean of its divisors is an integer number (51425280).

Almost surely, 2^2004120111 is an apocalyptic number.

2004120111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2004120111 is a deficient number, since it is larger than the sum of its proper divisors (1287097809).

2004120111 is a wasteful number, since it uses less digits than its factorization.

2004120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2004120111 is about 44767.4000920313. The cubic root of 2004120111 is about 1260.7856255712.

Adding to 2004120111 its reverse (1110214002), we get a palindrome (3114334113).

The spelling of 2004120111 in words is "two billion, four million, one hundred twenty thousand, one hundred eleven".