1002221202009 has 4 divisors (see below), whose sum is σ = 1336294936016. Its totient is φ = 668147468004.

The previous prime is 1002221202007. The next prime is 1002221202011. The reversal of 1002221202009 is 9002021222001.

It is a happy number.

1002221202009 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1002221202007) and next prime (1002221202011).

It is not a de Polignac number, because 1002221202009 - 2¹ = 1002221202007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002221202007) 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, 167036866999 + ... + 167036867004.

It is an arithmetic number, because the mean of its divisors is an integer number (334073734004).

Almost surely, 2^{1002221202009} is an apocalyptic number.

It is an amenable number.

1002221202009 is a deficient number, since it is larger than the sum of its proper divisors (334073734007).

1002221202009 is an equidigital number, since it uses as much as digits as its factorization.

1002221202009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334073734006.

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 1002221202009 in words is "one trillion, two billion, two hundred twenty-one million, two hundred two thousand, nine".