1111232101 has 8 divisors (see below), whose sum is σ = 1299514304. Its totient is φ = 930333600.

The previous prime is 1111232053. The next prime is 1111232159. The reversal of 1111232101 is 1012321111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1111232101 - 2¹¹ = 1111230053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111232201) by changing a digit.

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, 1845600 + ... + 1846201.

It is an arithmetic number, because the mean of its divisors is an integer number (162439288).

Almost surely, 2^1111232101 is an apocalyptic number.

It is an amenable number.

1111232101 is a deficient number, since it is larger than the sum of its proper divisors (188282203).

1111232101 is an equidigital number, since it uses as much as digits as its factorization.

1111232101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3691851.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1111232101 is about 33335.1481322642. The cubic root of 1111232101 is about 1035.7817616584.

Adding to 1111232101 its reverse (1012321111), we get a palindrome (2123553212).

The spelling of 1111232101 in words is "one billion, one hundred eleven million, two hundred thirty-two thousand, one hundred one".