1121303011 has 8 divisors (see below), whose sum is σ = 1146529280. Its totient is φ = 1096352712.

The previous prime is 1121302999. The next prime is 1121303023. The reversal of 1121303011 is 1103031211.

It is an interprime number because it is at equal distance from previous prime (1121302999) and next prime (1121303023).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121303011 - 2⁵ = 1121302979 is a prime.

It is a super-2 number, since 2×1121303011² = 2514640884955332242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121302982 and 1121303000.

It is not an unprimeable number, because it can be changed into a prime (1121303041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60765 + ... + 77038.

It is an arithmetic number, because the mean of its divisors is an integer number (143316160).

Almost surely, 2^1121303011 is an apocalyptic number.

1121303011 is a deficient number, since it is larger than the sum of its proper divisors (25226269).

1121303011 is a wasteful number, since it uses less digits than its factorization.

1121303011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137985.

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

The square root of 1121303011 is about 33485.8628528518. The cubic root of 1121303011 is about 1038.9013950615.

Adding to 1121303011 its reverse (1103031211), we get a palindrome (2224334222).

The spelling of 1121303011 in words is "one billion, one hundred twenty-one million, three hundred three thousand, eleven".