221001100012003 has 8 divisors (see below), whose sum is σ = 232632899931600. Its totient is φ = 209369316400128.

The previous prime is 221001100012001. The next prime is 221001100012027. The reversal of 221001100012003 is 300210001100122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221001100012003 - 2¹ = 221001100012001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221001100012001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31864875 + ... + 38175547.

It is an arithmetic number, because the mean of its divisors is an integer number (29079112491450).

Almost surely, 2^{221001100012003} is an apocalyptic number.

221001100012003 is a deficient number, since it is larger than the sum of its proper divisors (11631799919597).

221001100012003 is a wasteful number, since it uses less digits than its factorization.

221001100012003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8153861.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 221001100012003 its reverse (300210001100122), we get a palindrome (521211101112125).

The spelling of 221001100012003 in words is "two hundred twenty-one trillion, one billion, one hundred million, twelve thousand, three".