1004121302221 has 16 divisors (see below), whose sum is σ = 1020145785984. Its totient is φ = 988222221504.

The previous prime is 1004121302159. The next prime is 1004121302273. The reversal of 1004121302221 is 1222031214001.

1004121302221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1004121302221 - 2²⁷ = 1003987084493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004121302521) 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, 49829670 + ... + 49849816.

It is an arithmetic number, because the mean of its divisors is an integer number (63759111624).

Almost surely, 2^{1004121302221} is an apocalyptic number.

It is an amenable number.

1004121302221 is a deficient number, since it is larger than the sum of its proper divisors (16024483763).

1004121302221 is a wasteful number, since it uses less digits than its factorization.

1004121302221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23220.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1004121302221 its reverse (1222031214001), we get a palindrome (2226152516222).

The spelling of 1004121302221 in words is "one trillion, four billion, one hundred twenty-one million, three hundred two thousand, two hundred twenty-one".