2104110121 has 2 divisors, whose sum is σ = 2104110122. Its totient is φ = 2104110120.

The previous prime is 2104110049. The next prime is 2104110131. The reversal of 2104110121 is 1210114012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2030493721 + 73616400 = 45061^2 + 8580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2104110121 is a prime.

It is not a weakly prime, because it can be changed into another prime (2104110131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052055060 + 1052055061.

It is an arithmetic number, because the mean of its divisors is an integer number (1052055061).

Almost surely, 2^2104110121 is an apocalyptic number.

It is an amenable number.

2104110121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104110121 is an equidigital number, since it uses as much as digits as its factorization.

2104110121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 2104110121 is about 45870.5801249559. The cubic root of 2104110121 is about 1281.4140705821.

Adding to 2104110121 its reverse (1210114012), we get a palindrome (3314224133).

It can be divided in two parts, 2104 and 110121, that added together give a square (112225 = 335²).

The spelling of 2104110121 in words is "two billion, one hundred four million, one hundred ten thousand, one hundred twenty-one".