11123101 has 4 divisors (see below), whose sum is σ = 12134304. Its totient is φ = 10111900.

The previous prime is 11123071. The next prime is 11123107. The reversal of 11123101 is 10132111.

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 11123101 - 2⁵ = 11123069 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 (11123107) 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, 505585 + ... + 505606.

It is an arithmetic number, because the mean of its divisors is an integer number (3033576).

Almost surely, 2^11123101 is an apocalyptic number.

11123101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11123101 is a deficient number, since it is larger than the sum of its proper divisors (1011203).

11123101 is a wasteful number, since it uses less digits than its factorization.

11123101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011202.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 11123101 is about 3335.1313317469. The cubic root of 11123101 is about 223.2245521075.

Adding to 11123101 its reverse (10132111), we get a palindrome (21255212).

The spelling of 11123101 in words is "eleven million, one hundred twenty-three thousand, one hundred one".