2104120001 has 2 divisors, whose sum is σ = 2104120002. Its totient is φ = 2104120000.

The previous prime is 2104119973. The next prime is 2104120069. The reversal of 2104120001 is 1000214012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2024910001 + 79210000 = 44999^2 + 8900^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104120001 - 2¹⁰ = 2104118977 is a prime.

It is not a weakly prime, because it can be changed into another prime (2104120801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052060000 + 1052060001.

It is an arithmetic number, because the mean of its divisors is an integer number (1052060001).

Almost surely, 2^2104120001 is an apocalyptic number.

It is an amenable number.

2104120001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104120001 is an equidigital number, since it uses as much as digits as its factorization.

2104120001 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 11.

The square root of 2104120001 is about 45870.6878191291. The cubic root of 2104120001 is about 1281.4160762362.

Adding to 2104120001 its reverse (1000214012), we get a palindrome (3104334013).

The spelling of 2104120001 in words is "two billion, one hundred four million, one hundred twenty thousand, one".