1111230105 has 16 divisors (see below), whose sum is σ = 1871545920. Its totient is φ = 561463488.

The previous prime is 1111230103. The next prime is 1111230121. The reversal of 1111230105 is 5010321111.

It is not a de Polignac number, because 1111230105 - 2¹ = 1111230103 is a prime.

It is a super-3 number, since 3×1111230105³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1111230103) 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, 1949242 + ... + 1949811.

It is an arithmetic number, because the mean of its divisors is an integer number (116971620).

Almost surely, 2^1111230105 is an apocalyptic number.

1111230105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1111230105 is a deficient number, since it is larger than the sum of its proper divisors (760315815).

1111230105 is a wasteful number, since it uses less digits than its factorization.

1111230105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3899080.

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 1111230105 is about 33335.1181938808. The cubic root of 1111230105 is about 1035.7811414994.

Adding to 1111230105 its reverse (5010321111), we get a palindrome (6121551216).

The spelling of 1111230105 in words is "one billion, one hundred eleven million, two hundred thirty thousand, one hundred five".