2004221523001 has 4 divisors (see below), whose sum is σ = 2037077613604. Its totient is φ = 1971365432400.

The previous prime is 2004221522987. The next prime is 2004221523049. The reversal of 2004221523001 is 1003251224002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1156164713001 + 848056810000 = 1075251^2 + 920900^2 .

It is a cyclic number.

It is not a de Polignac number, because 2004221523001 - 2³⁵ = 1969861784633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2004221523701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16428045210 + ... + 16428045331.

It is an arithmetic number, because the mean of its divisors is an integer number (509269403401).

Almost surely, 2^{2004221523001} is an apocalyptic number.

It is an amenable number.

2004221523001 is a deficient number, since it is larger than the sum of its proper divisors (32856090603).

2004221523001 is an equidigital number, since it uses as much as digits as its factorization.

2004221523001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32856090602.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 2004221523001 its reverse (1003251224002), we get a palindrome (3007472747003).

The spelling of 2004221523001 in words is "two trillion, four billion, two hundred twenty-one million, five hundred twenty-three thousand, one".