11012883100 has 72 divisors (see below), whose sum is σ = 24106457088. Its totient is φ = 4366872000.

The previous prime is 11012883097. The next prime is 11012883107. The reversal of 11012883100 is 138821011.

It is a super-2 number, since 2×11012883100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012883107) 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, 9567525 + ... + 9568675.

It is an arithmetic number, because the mean of its divisors is an integer number (334811904).

Almost surely, 2^11012883100 is an apocalyptic number.

11012883100 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 11012883100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12053228544).

11012883100 is an abundant number, since it is smaller than the sum of its proper divisors (13093573988).

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

11012883100 is a wasteful number, since it uses less digits than its factorization.

11012883100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915 (or 1908 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 25.

The spelling of 11012883100 in words is "eleven billion, twelve million, eight hundred eighty-three thousand, one hundred".