1002200011326 has 24 divisors (see below), whose sum is σ = 2251856816664. Its totient is φ = 334066670280.

The previous prime is 1002200011303. The next prime is 1002200011327. The reversal of 1002200011326 is 6231100022001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1002200011299 and 1002200011308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002200011327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1031069485 + ... + 1031070456.

It is an arithmetic number, because the mean of its divisors is an integer number (93827367361).

Almost surely, 2^{1002200011326} is an apocalyptic number.

1002200011326 is an abundant number, since it is smaller than the sum of its proper divisors (1249656805338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002200011326 is an equidigital number, since it uses as much as digits as its factorization.

1002200011326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062139958 (or 2062139946 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1002200011326 its reverse (6231100022001), we get a palindrome (7233300033327).

The spelling of 1002200011326 in words is "one trillion, two billion, two hundred million, eleven thousand, three hundred twenty-six".