1100200120002 has 24 divisors (see below), whose sum is σ = 2383888133484. Its totient is φ = 366714726144.

The previous prime is 1100200119923. The next prime is 1100200120079. The reversal of 1100200120002 is 2000210020011.

It can be written as a sum of positive squares in 2 ways, for example, as 811582972641 + 288617147361 = 900879^2 + 537231^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1187763 + ... + 1900310.

Almost surely, 2^{1100200120002} is an apocalyptic number.

1100200120002 is an abundant number, since it is smaller than the sum of its proper divisors (1283688013482).

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

1100200120002 is a wasteful number, since it uses less digits than its factorization.

1100200120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3107874 (or 3107871 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1100200120002 its reverse (2000210020011), we get a palindrome (3100410140013).

Subtracting 1100200120002 from its reverse (2000210020011), we obtain a palindrome (900009900009).

The spelling of 1100200120002 in words is "one trillion, one hundred billion, two hundred million, one hundred twenty thousand, two".