1002200111002 has 8 divisors (see below), whose sum is σ = 1591729588116. Its totient is φ = 471623581632.

The previous prime is 1002200110973. The next prime is 1002200111023. The reversal of 1002200111002 is 2001110022001.

It can be written as a sum of positive squares in 2 ways, for example, as 857626018561 + 144574092441 = 926081^2 + 380229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1002200111002² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1002200111002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14738236893 + ... + 14738236960.

Almost surely, 2^{1002200111002} is an apocalyptic number.

1002200111002 is a deficient number, since it is larger than the sum of its proper divisors (589529477114).

1002200111002 is a wasteful number, since it uses less digits than its factorization.

1002200111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29476473872.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1002200111002 its reverse (2001110022001), we get a palindrome (3003310133003).

The spelling of 1002200111002 in words is "one trillion, two billion, two hundred million, one hundred eleven thousand, two".