11111303001100 has 72 divisors (see below), whose sum is σ = 24501147603968. Its totient is φ = 4372863105600.

The previous prime is 11111303001049. The next prime is 11111303001131. The reversal of 11111303001100 is 110030311111.

It is a super-2 number, since 2×11111303001100² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4506565 + ... + 6521635.

Almost surely, 2^{11111303001100} is an apocalyptic number.

11111303001100 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 11111303001100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12250573801984).

11111303001100 is an abundant number, since it is smaller than the sum of its proper divisors (13389844602868).

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

11111303001100 is a wasteful number, since it uses less digits than its factorization.

11111303001100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015975 (or 2015968 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 13.

Adding to 11111303001100 its reverse (110030311111), we get a palindrome (11221333312211).

The spelling of 11111303001100 in words is "eleven trillion, one hundred eleven billion, three hundred three million, one thousand, one hundred".