1002211221003 has 4 divisors (see below), whose sum is σ = 1336281628008. Its totient is φ = 668140814000.

The previous prime is 1002211220957. The next prime is 1002211221007. The reversal of 1002211221003 is 3001221122001.

1002211221003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1002211221003 - 2¹⁰ = 1002211219979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002211221007) 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, 167035203498 + ... + 167035203503.

It is an arithmetic number, because the mean of its divisors is an integer number (334070407002).

Almost surely, 2^{1002211221003} is an apocalyptic number.

1002211221003 is a deficient number, since it is larger than the sum of its proper divisors (334070407005).

1002211221003 is an equidigital number, since it uses as much as digits as its factorization.

1002211221003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334070407004.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1002211221003 its reverse (3001221122001), we get a palindrome (4003432343004).

The spelling of 1002211221003 in words is "one trillion, two billion, two hundred eleven million, two hundred twenty-one thousand, three".