4101000204421 has 2 divisors, whose sum is σ = 4101000204422. Its totient is φ = 4101000204420.

The previous prime is 4101000204377. The next prime is 4101000204449. The reversal of 4101000204421 is 1244020001014.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2629946567521 + 1471053636900 = 1621711^2 + 1212870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4101000204421 is a prime.

It is a super-2 number, since 2×4101000204421² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4101000204121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2050500102210 + 2050500102211.

It is an arithmetic number, because the mean of its divisors is an integer number (2050500102211).

Almost surely, 2^{4101000204421} is an apocalyptic number.

It is an amenable number.

4101000204421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4101000204421 is an equidigital number, since it uses as much as digits as its factorization.

4101000204421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 4101000204421 its reverse (1244020001014), we get a palindrome (5345020205435).

The spelling of 4101000204421 in words is "four trillion, one hundred one billion, two hundred four thousand, four hundred twenty-one".