1004211123001 has 4 divisors (see below), whose sum is σ = 1004233666932. Its totient is φ = 1004188579072.

The previous prime is 1004211122917. The next prime is 1004211123007. The reversal of 1004211123001 is 1003211124001.

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 734251903225 + 269959219776 = 856885^2 + 519576^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004211123001 - 2¹⁷ = 1004210991929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1004211123007) 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, 11205016 + ... + 11294281.

It is an arithmetic number, because the mean of its divisors is an integer number (251058416733).

Almost surely, 2^{1004211123001} is an apocalyptic number.

It is an amenable number.

1004211123001 is a deficient number, since it is larger than the sum of its proper divisors (22543931).

1004211123001 is an equidigital number, since it uses as much as digits as its factorization.

1004211123001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22543930.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1004211123001 its reverse (1003211124001), we get a palindrome (2007422247002).

The spelling of 1004211123001 in words is "one trillion, four billion, two hundred eleven million, one hundred twenty-three thousand, one".