11010002100 has 72 divisors (see below), whose sum is σ = 31970849568. Its totient is φ = 2925379200.

The previous prime is 11010002039. The next prime is 11010002141. The reversal of 11010002100 is 120001011.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16855 + ... + 149345.

Almost surely, 2^11010002100 is an apocalyptic number.

11010002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11010002100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15985424784).

11010002100 is an abundant number, since it is smaller than the sum of its proper divisors (20960847468).

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

11010002100 is a wasteful number, since it uses less digits than its factorization.

11010002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132785 (or 132778 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 11010002100 its reverse (120001011), we get a palindrome (11130003111).

The spelling of 11010002100 in words is "eleven billion, ten million, two thousand, one hundred".