1121102013 has 4 divisors (see below), whose sum is σ = 1494802688. Its totient is φ = 747401340.

The previous prime is 1121101997. The next prime is 1121102033. The reversal of 1121102013 is 3102011211.

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 not a de Polignac number, because 1121102013 - 2⁴ = 1121101997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121102013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121102033) 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, 186850333 + ... + 186850338.

It is an arithmetic number, because the mean of its divisors is an integer number (373700672).

Almost surely, 2^1121102013 is an apocalyptic number.

It is an amenable number.

1121102013 is a deficient number, since it is larger than the sum of its proper divisors (373700675).

1121102013 is an equidigital number, since it uses as much as digits as its factorization.

1121102013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373700674.

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

The square root of 1121102013 is about 33482.8614816595. The cubic root of 1121102013 is about 1038.8393156239.

Adding to 1121102013 its reverse (3102011211), we get a palindrome (4223113224).

The spelling of 1121102013 in words is "one billion, one hundred twenty-one million, one hundred two thousand, thirteen".