2104421321001 has 16 divisors (see below), whose sum is σ = 2841332719680. Its totient is φ = 1385248159680.

The previous prime is 2104421320901. The next prime is 2104421321039. The reversal of 2104421321001 is 1001231244012.

It is not a de Polignac number, because 2104421321001 - 2¹³ = 2104421312809 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2104421321201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1993686 + ... + 2860703.

It is an arithmetic number, because the mean of its divisors is an integer number (177583294980).

Almost surely, 2^{2104421321001} is an apocalyptic number.

It is an amenable number.

2104421321001 is a deficient number, since it is larger than the sum of its proper divisors (736911398679).

2104421321001 is a wasteful number, since it uses less digits than its factorization.

2104421321001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4856216.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2104421321001 its reverse (1001231244012), we get a palindrome (3105652565013).

The spelling of 2104421321001 in words is "two trillion, one hundred four billion, four hundred twenty-one million, three hundred twenty-one thousand, one".