1001002201223 has 4 divisors (see below), whose sum is σ = 1001990358408. Its totient is φ = 1000014044040.

The previous prime is 1001002201193. The next prime is 1001002201289. The reversal of 1001002201223 is 3221022001001.

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 1001002201223 - 2¹⁰ = 1001002200199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001002201198 and 1001002201207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001002207223) 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, 494077073 + ... + 494079098.

It is an arithmetic number, because the mean of its divisors is an integer number (250497589602).

Almost surely, 2^{1001002201223} is an apocalyptic number.

1001002201223 is a deficient number, since it is larger than the sum of its proper divisors (988157185).

1001002201223 is an equidigital number, since it uses as much as digits as its factorization.

1001002201223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988157184.

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

Adding to 1001002201223 its reverse (3221022001001), we get a palindrome (4222024202224).

The spelling of 1001002201223 in words is "one trillion, one billion, two million, two hundred one thousand, two hundred twenty-three".