11043002100 has 72 divisors (see below), whose sum is σ = 34408874080. Its totient is φ = 2718276480.

The previous prime is 11043002099. The next prime is 11043002107. The reversal of 11043002100 is 120034011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11043002107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1411870 + ... + 1419669.

Almost surely, 2^11043002100 is an apocalyptic number.

11043002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11043002100 is an abundant number, since it is smaller than the sum of its proper divisors (23365871980).

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

11043002100 is a wasteful number, since it uses less digits than its factorization.

11043002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831569 (or 2831562 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 11043002100 its reverse (120034011), we get a palindrome (11163036111).

The spelling of 11043002100 in words is "eleven billion, forty-three million, two thousand, one hundred".