1121241011 has 8 divisors (see below), whose sum is σ = 1224115200. Its totient is φ = 1018524040.

The previous prime is 1121240999. The next prime is 1121241013. The reversal of 1121241011 is 1101421211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121241011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121241013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24131 + ... + 53148.

It is an arithmetic number, because the mean of its divisors is an integer number (153014400).

Almost surely, 2^1121241011 is an apocalyptic number.

1121241011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1121241011 is a deficient number, since it is larger than the sum of its proper divisors (102874189).

1121241011 is a wasteful number, since it uses less digits than its factorization.

1121241011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78609.

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 1121241011 is about 33484.9370762437. The cubic root of 1121241011 is about 1038.8822467810.

Adding to 1121241011 its reverse (1101421211), we get a palindrome (2222662222).

The spelling of 1121241011 in words is "one billion, one hundred twenty-one million, two hundred forty-one thousand, eleven".