1101203113 has 4 divisors (see below), whose sum is σ = 1116713088. Its totient is φ = 1085693140.

The previous prime is 1101203099. The next prime is 1101203149. The reversal of 1101203113 is 3113021011.

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 1101203113 - 2¹³ = 1101194921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101203093 and 1101203102.

It is not an unprimeable number, because it can be changed into a prime (1101203183) 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, 7754881 + ... + 7755022.

It is an arithmetic number, because the mean of its divisors is an integer number (279178272).

Almost surely, 2^1101203113 is an apocalyptic number.

It is an amenable number.

1101203113 is a deficient number, since it is larger than the sum of its proper divisors (15509975).

1101203113 is an equidigital number, since it uses as much as digits as its factorization.

1101203113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15509974.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1101203113 is about 33184.3805577263. The cubic root of 1101203113 is about 1032.6563267024.

Adding to 1101203113 its reverse (3113021011), we get a palindrome (4214224124).

The spelling of 1101203113 in words is "one billion, one hundred one million, two hundred three thousand, one hundred thirteen".