1113232101 has 4 divisors (see below), whose sum is σ = 1484309472. Its totient is φ = 742154732.

The previous prime is 1113232093. The next prime is 1113232147. The reversal of 1113232101 is 1012323111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1113232101 - 2³ = 1113232093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113232181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185538681 + ... + 185538686.

It is an arithmetic number, because the mean of its divisors is an integer number (371077368).

Almost surely, 2^1113232101 is an apocalyptic number.

It is an amenable number.

1113232101 is a deficient number, since it is larger than the sum of its proper divisors (371077371).

1113232101 is an equidigital number, since it uses as much as digits as its factorization.

1113232101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371077370.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1113232101 is about 33365.1330133719. The cubic root of 1113232101 is about 1036.4027906225.

Adding to 1113232101 its reverse (1012323111), we get a palindrome (2125555212).

The spelling of 1113232101 in words is "one billion, one hundred thirteen million, two hundred thirty-two thousand, one hundred one".