11111023130 has 16 divisors (see below), whose sum is σ = 20197861704. Its totient is φ = 4400404800.

The previous prime is 11111023123. The next prime is 11111023153. The reversal of 11111023130 is 3132011111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10921713049 + 189310081 = 104507^2 + 13759^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5499497 + ... + 5501516.

Almost surely, 2^11111023130 is an apocalyptic number.

11111023130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11111023130 is a deficient number, since it is larger than the sum of its proper divisors (9086838574).

11111023130 is a wasteful number, since it uses less digits than its factorization.

11111023130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11001121.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11111023130 its reverse (3132011111), we get a palindrome (14243034241).

The spelling of 11111023130 in words is "eleven billion, one hundred eleven million, twenty-three thousand, one hundred thirty".