11200102002 has 24 divisors (see below), whose sum is σ = 24407165484. Its totient is φ = 3711786144.

The previous prime is 11200101973. The next prime is 11200102009. The reversal of 11200102002 is 20020100211.

It can be written as a sum of positive squares in 2 ways, for example, as 11026890081 + 173211921 = 105009^2 + 13161^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11200102009) 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, 1795233 + ... + 1801460.

Almost surely, 2^11200102002 is an apocalyptic number.

11200102002 is an abundant number, since it is smaller than the sum of its proper divisors (13207063482).

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

11200102002 is a wasteful number, since it uses less digits than its factorization.

11200102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3596874 (or 3596871 counting only the distinct ones).

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

Adding to 11200102002 its reverse (20020100211), we get a palindrome (31220202213).

The spelling of 11200102002 in words is "eleven billion, two hundred million, one hundred two thousand, two".