10021002221003 has 4 divisors (see below), whose sum is σ = 10056412123128. Its totient is φ = 9985592318880.

The previous prime is 10021002220963. The next prime is 10021002221029. The reversal of 10021002221003 is 30012220012001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10021002221003 - 2¹⁶ = 10021002155467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10021002221303) 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, 17704950638 + ... + 17704951203.

It is an arithmetic number, because the mean of its divisors is an integer number (2514103030782).

Almost surely, 2^{10021002221003} is an apocalyptic number.

10021002221003 is a deficient number, since it is larger than the sum of its proper divisors (35409902125).

10021002221003 is an equidigital number, since it uses as much as digits as its factorization.

10021002221003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35409902124.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10021002221003 its reverse (30012220012001), we get a palindrome (40033222233004).

The spelling of 10021002221003 in words is "ten trillion, twenty-one billion, two million, two hundred twenty-one thousand, three".