2000104012421 has 2 divisors, whose sum is σ = 2000104012422. Its totient is φ = 2000104012420.

The previous prime is 2000104012367. The next prime is 2000104012429. The reversal of 2000104012421 is 1242104010002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1569472761796 + 430631250625 = 1252786^2 + 656225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000104012421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2000104012421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000104012429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000052006210 + 1000052006211.

It is an arithmetic number, because the mean of its divisors is an integer number (1000052006211).

Almost surely, 2^{2000104012421} is an apocalyptic number.

It is an amenable number.

2000104012421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000104012421 is an equidigital number, since it uses as much as digits as its factorization.

2000104012421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2000104012421 its reverse (1242104010002), we get a palindrome (3242208022423).

The spelling of 2000104012421 in words is "two trillion, one hundred four million, twelve thousand, four hundred twenty-one".