1113312101 has 4 divisors (see below), whose sum is σ = 1214522304. Its totient is φ = 1012101900.

The previous prime is 1113312091. The next prime is 1113312119. The reversal of 1113312101 is 1012133111.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1012133111 = 11 ⋅92012101.

It is a cyclic number.

It is not a de Polignac number, because 1113312101 - 2¹⁰ = 1113311077 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 (1113312131) 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, 50605085 + ... + 50605106.

It is an arithmetic number, because the mean of its divisors is an integer number (303630576).

Almost surely, 2^1113312101 is an apocalyptic number.

1113312101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1113312101 is a deficient number, since it is larger than the sum of its proper divisors (101210203).

1113312101 is a wasteful number, since it uses less digits than its factorization.

1113312101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101210202.

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

The square root of 1113312101 is about 33366.3318481370. The cubic root of 1113312101 is about 1036.4276163041.

Adding to 1113312101 its reverse (1012133111), we get a palindrome (2125445212).

The spelling of 1113312101 in words is "one billion, one hundred thirteen million, three hundred twelve thousand, one hundred one".