11111103030 has 32 divisors (see below), whose sum is σ = 27103809888. Its totient is φ = 2914387200.

The previous prime is 11111103019. The next prime is 11111103037. The reversal of 11111103030 is 3030111111.

It is a super-2 number, since 2×11111103030² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11111102997 and 11111103015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111103037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3033991 + ... + 3037650.

It is an arithmetic number, because the mean of its divisors is an integer number (846994059).

Almost surely, 2^11111103030 is an apocalyptic number.

11111103030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11111103030 is an abundant number, since it is smaller than the sum of its proper divisors (15992706858).

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

11111103030 is a wasteful number, since it uses less digits than its factorization.

11111103030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6071712.

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 11111103030 its reverse (3030111111), we get a palindrome (14141214141).

The spelling of 11111103030 in words is "eleven billion, one hundred eleven million, one hundred three thousand, thirty".